OPENSUSE-SU-2019:1113-1

Vulnerability from csaf_opensuse - Published: 2019-04-02 11:03 - Updated: 2026-09-20 18:48
Summary
Security update for putty
Severity
Moderate
Notes
Title of the patch: Security update for putty
Description of the patch: This update for putty fixes the following issues: Update to new upstream release 0.71 [boo#1129633] * CVE-2019-9894: Fixed a remotely triggerable memory overwrite in RSA key exchange, which can occur before host key verification potential recycling of random numbers used in cryptography. * CVE-2019-9895: Fixed a remotely triggerable buffer overflow in any kind of server-to-client forwarding. * CVE-2019-9897: Fixed multiple denial-of-service attacks that can be triggered by writing to the terminal. * CVE-2019-9898: Fixed potential recycling of random numbers used in cryptography * CVE-2019-9896 (Windows only): Fixed hijacking by a malicious help file in the same directory as the executable * Major rewrite of the crypto code to remove cache and timing side channels.
Patchnames: openSUSE-2019-1113
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2019-9894
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64 —
Vendor Fix
Threats
Impact important
CVE-2019-9895
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 1 product, the same list as for CVE-2019-9894
Threats
Impact important
CVE-2019-9896
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 1 product, the same list as for CVE-2019-9894
Threats
Impact important
CVE-2019-9897
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Recommended 1 product, the same list as for CVE-2019-9894
Threats
Impact important
CVE-2019-9898
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 1 product, the same list as for CVE-2019-9894
Threats
Impact important
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for putty",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for putty fixes the following issues:\n\nUpdate to new upstream release 0.71 [boo#1129633]\n\n* CVE-2019-9894: Fixed a remotely triggerable memory overwrite in RSA key\n  exchange, which can occur before host key verification\n  potential recycling of random numbers used in cryptography.\n* CVE-2019-9895: Fixed a remotely triggerable buffer overflow in any kind of\n  server-to-client forwarding.\n* CVE-2019-9897: Fixed multiple denial-of-service attacks that can be triggered\n  by writing to the terminal.\n* CVE-2019-9898: Fixed potential recycling of random numbers used in cryptography\n* CVE-2019-9896 (Windows only): Fixed hijacking by a malicious help file in the same directory as the executable\n* Major rewrite of the crypto code to remove cache and timing\n  side channels.\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "openSUSE-2019-1113",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2019_1113-1.json"
      },
      {
        "category": "self",
        "summary": "URL for openSUSE-SU-2019:1113-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/CA2Q4AK5GQEYMMPK6PCTZM6P7CCCHSSH/#CA2Q4AK5GQEYMMPK6PCTZM6P7CCCHSSH"
      },
      {
        "category": "self",
        "summary": "E-Mail link for openSUSE-SU-2019:1113-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/CA2Q4AK5GQEYMMPK6PCTZM6P7CCCHSSH/#CA2Q4AK5GQEYMMPK6PCTZM6P7CCCHSSH"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1129633",
        "url": "https://bugzilla.suse.com/1129633"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2019-9894 page",
        "url": "https://www.suse.com/security/cve/CVE-2019-9894/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2019-9895 page",
        "url": "https://www.suse.com/security/cve/CVE-2019-9895/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2019-9896 page",
        "url": "https://www.suse.com/security/cve/CVE-2019-9896/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2019-9897 page",
        "url": "https://www.suse.com/security/cve/CVE-2019-9897/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2019-9898 page",
        "url": "https://www.suse.com/security/cve/CVE-2019-9898/"
      }
    ],
    "title": "Security update for putty",
    "tracking": {
      "current_release_date": "2026-09-20T18:48:32Z",
      "generator": {
        "date": "2019-04-02T11:03:54Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "openSUSE-SU-2019:1113-1",
      "initial_release_date": "2019-04-02T11:03:54Z",
      "revision_history": [
        {
          "date": "2019-04-02T11:03:54Z",
          "number": "1",
          "summary": "Current version"
        },
        {
          "date": "2026-09-20T18:48:32Z",
          "number": "2",
          "summary": "unknown changes"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "putty-0:0.71-lp150.9.1.x86_64",
                "product": {
                  "name": "putty-0:0.71-lp150.9.1.x86_64",
                  "product_id": "putty-0:0.71-lp150.9.1.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/suse/putty@0.71-lp150.9.1?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "openSUSE Leap 15.0",
                "product": {
                  "name": "openSUSE Leap 15.0",
                  "product_id": "openSUSE Leap 15.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:opensuse:leap:15.0"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "putty-0:0.71-lp150.9.1.x86_64 as component of openSUSE Leap 15.0",
          "product_id": "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
        },
        "product_reference": "putty-0:0.71-lp150.9.1.x86_64",
        "relates_to_product_reference": "openSUSE Leap 15.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-9894",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-9894"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A remotely triggerable memory overwrite in RSA key exchange in PuTTY before 0.71 can occur before host key verification.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-9894",
          "url": "https://www.suse.com/security/cve/CVE-2019-9894"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1129633 for CVE-2019-9894",
          "url": "https://bugzilla.suse.com/1129633"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "products": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-04-02T11:03:54Z",
          "details": "important"
        }
      ],
      "title": "CVE-2019-9894"
    },
    {
      "cve": "CVE-2019-9895",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-9895"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In PuTTY versions before 0.71 on Unix, a remotely triggerable buffer overflow exists in any kind of server-to-client forwarding.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-9895",
          "url": "https://www.suse.com/security/cve/CVE-2019-9895"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1129633 for CVE-2019-9895",
          "url": "https://bugzilla.suse.com/1129633"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-04-02T11:03:54Z",
          "details": "important"
        }
      ],
      "title": "CVE-2019-9895"
    },
    {
      "cve": "CVE-2019-9896",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-9896"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In PuTTY versions before 0.71 on Windows, local attackers could hijack the application by putting a malicious help file in the same directory as the executable.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-9896",
          "url": "https://www.suse.com/security/cve/CVE-2019-9896"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1129633 for CVE-2019-9896",
          "url": "https://bugzilla.suse.com/1129633"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-04-02T11:03:54Z",
          "details": "important"
        }
      ],
      "title": "CVE-2019-9896"
    },
    {
      "cve": "CVE-2019-9897",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-9897"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-9897",
          "url": "https://www.suse.com/security/cve/CVE-2019-9897"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1129633 for CVE-2019-9897",
          "url": "https://bugzilla.suse.com/1129633"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-04-02T11:03:54Z",
          "details": "important"
        }
      ],
      "title": "CVE-2019-9897"
    },
    {
      "cve": "CVE-2019-9898",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2019-9898"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Potential recycling of random numbers used in cryptography exists within PuTTY before 0.71.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2019-9898",
          "url": "https://www.suse.com/security/cve/CVE-2019-9898"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1129633 for CVE-2019-9898",
          "url": "https://bugzilla.suse.com/1129633"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "openSUSE Leap 15.0:putty-0:0.71-lp150.9.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-04-02T11:03:54Z",
          "details": "important"
        }
      ],
      "title": "CVE-2019-9898"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.