CVE-2011-2529 (GCVE-0-2011-2529)

Vulnerability from cvelistv5 – Published: 2011-07-06 19:00 – Updated: 2024-08-06 23:08
VLAI
Summary
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.osvdb.org/73307 vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/48431 vdb-entryx_refsource_BID
http://downloads.asterisk.org/pub/security/AST-20… x_refsource_CONFIRM
http://secunia.com/advisories/45239 third-party-advisoryx_refsource_SECUNIA
http://downloads.asterisk.org/pub/security/AST-20… x_refsource_CONFIRM
http://www.debian.org/security/2011/dsa-2276 vendor-advisoryx_refsource_DEBIAN
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://secunia.com/advisories/45048 third-party-advisoryx_refsource_SECUNIA
http://securitytracker.com/id?1025706 vdb-entryx_refsource_SECTRACK
http://secunia.com/advisories/45201 third-party-advisoryx_refsource_SECUNIA
Date Public
2011-06-20 00:00
Show details on NVD website

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          "lang": "en",
          "value": "chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle \u0027\\0\u0027 characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet."
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          "lang": "es",
          "value": "chan_sip.c en el controlador de canal SIP en Asterisk Open Source v1.6.x anterior a v1.6.2.18.1 y v1.8.x anteriores a v1.8.4.3 no manejan adecuadamente los caracteres \u0027\\0\u0027 en los paquetes SIP, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente tener un impacto no especificado a trav\u00e9s de un paquete dise\u00f1ado."
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      "id": "CVE-2011-2529",
      "lastModified": "2024-11-21T01:28:28.417",
      "metrics": {
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            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 5.0,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "version": "2.0"
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            "exploitabilityScore": 10.0,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
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    }
  }
}



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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.

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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.


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