Vulnerability-Lookup

UBUNTU-CVE-2015-2141 (CVE-2015-2141)

Vulnerability from osv_ubuntu – Published: 2015-07-01 14:59 – Updated: 2026-04-22 07:37 – Source website

Details

The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack.

Severity

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2015-2141	REPORT
	https://github.com/weidai11/cryptopp/commit/9425e…	REPORT
	https://eprint.iacr.org/2015/368	REPORT
	https://www.cve.org/CVERecord?id=CVE-2015-2141	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libcrypto++-utils",
            "binary_version": "5.6.1-6+deb8u1build0.14.04.1"
          },
          {
            "binary_name": "libcrypto++9",
            "binary_version": "5.6.1-6+deb8u1build0.14.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "libcrypto++",
        "purl": "pkg:deb/ubuntu/libcrypto++@5.6.1-6+deb8u1build0.14.04.1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.1-6+deb8u1build0.14.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.6.1-6"
      ]
    }
  ],
  "aliases": [],
  "details": "The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack.",
  "id": "UBUNTU-CVE-2015-2141",
  "modified": "2026-04-22T07:37:46Z",
  "published": "2015-07-01T14:59:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2141"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/weidai11/cryptopp/commit/9425e16437439e68c7d96abef922167d68fafaff"
    },
    {
      "type": "REPORT",
      "url": "https://eprint.iacr.org/2015/368"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2015-2141"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2015-2141"
  ]
}

CVE-2015-2141 (GCVE-0-2015-2141)

Vulnerability from cvelistv5 – Published: 2015-07-01 14:00 – Updated: 2024-08-06 05:02

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
http://www.debian.org/security/2015/dsa-3296	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/75467	vdb-entryx_refsource_BID
http://sourceforge.net/p/cryptopp/code/542/	x_refsource_CONFIRM
https://github.com/weidai11/cryptopp/commit/9425e…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-updates/2015-0…	vendor-advisoryx_refsource_SUSE

Date Public

2015-06-27 00:00

Show details on NVD website

JSON

To clipboard

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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.
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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UBUNTU-CVE-2015-2141 (CVE-2015-2141)

CVE-2015-2141 (GCVE-0-2015-2141)

Tags

Sightings

Nomenclature

Related by attack behaviour