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CVE-2009-1959 (GCVE-0-2009-1959)

Vulnerability from cvelistv5 – Published: 2009-06-06 18:00 – Updated: 2024-08-07 05:36
VLAI
Summary
Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi 0.8.13 allows remote IRC servers to cause a denial of service (crash) via an empty command, which triggers a one-byte buffer under-read and a one-byte buffer underflow.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://xorl.wordpress.com/2009/05/28/irssi-event_… x_refsource_MISC
http://www.securitytracker.com/id?1022410 vdb-entryx_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2009/05/29/3 mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/35399 vdb-entryx_refsource_BID
http://www.irssi.org/ChangeLog x_refsource_CONFIRM
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://bugs.irssi.org/index.php?do=details&task_id=662 x_refsource_CONFIRM
http://secunia.com/advisories/35685 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2009/1596 vdb-entryx_refsource_VUPEN
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/usn-800-1 vendor-advisoryx_refsource_UBUNTU
http://secunia.com/advisories/35812 third-party-advisoryx_refsource_SECUNIA
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://secunia.com/advisories/36152 third-party-advisoryx_refsource_SECUNIA
Date Public
2009-05-15 00:00
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    },
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(one-byte).\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-189\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:irssi:irssi:0.8.13:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1FFA993F-4826-4937-B51D-438CFF4E08EE\"}]}]}],\"references\":[{\"url\":\"http://bugs.irssi.org/index.php?do=details\u0026task_id=662\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://secunia.com/advisories/35685\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://secunia.com/advisories/35812\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://secunia.com/advisories/36152\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.irssi.org/ChangeLog\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2009:133\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2009/05/29/3\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/35399\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securitytracker.com/id?1022410\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/usn-800-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.vupen.com/english/advisories/2009/1596\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/51184\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://bugs.irssi.org/index.php?do=details\u0026task_id=662\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/35685\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/35812\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://secunia.com/advisories/36152\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.irssi.org/ChangeLog\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Vendor Advisory\"]},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2009:133\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2009/05/29/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/35399\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securitytracker.com/id?1022410\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/usn-800-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.vupen.com/english/advisories/2009/1596\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/51184\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "current_release_date": "2025-11-21T13:11:47+00:00",
      "cve": "CVE-2009-1959",
      "id": "CVE-2009-1959",
      "initial_release_date": "2009-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "irssi: off-by-one error in the event_wallops",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-1959.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-03-16T14:50:44Z",
      "cve": "CVE-2009-1959",
      "id": "CVE-2009-1959",
      "initial_release_date": "2023-02-15T06:03:35Z",
      "product_status:recommended": "2",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2009-1959",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2009-1959.json",
      "version": "5"
    }
  }
}



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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.