FKIE_CVE-2006-1827

Vulnerability from fkie_nvd - Published: 2006-04-18 20:02 - Updated: 2026-04-16 00:27
Severity
Summary
Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length.
References
cve@mitre.orghttp://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gzPatch
cve@mitre.orghttp://secunia.com/advisories/19800
cve@mitre.orghttp://secunia.com/advisories/19872
cve@mitre.orghttp://secunia.com/advisories/19897
cve@mitre.orghttp://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisoryExploit, Patch
cve@mitre.orghttp://www.debian.org/security/2006/dsa-1048
cve@mitre.orghttp://www.novell.com/linux/security/advisories/2006_04_28.html
cve@mitre.orghttp://www.securityfocus.com/bid/17561
cve@mitre.orghttp://www.vupen.com/english/advisories/2006/1478
af854a3a-2127-422b-91ae-364da2661108http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gzPatch
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19800
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19872
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19897
af854a3a-2127-422b-91ae-364da2661108http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisoryExploit, Patch
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2006/dsa-1048
af854a3a-2127-422b-91ae-364da2661108http://www.novell.com/linux/security/advisories/2006_04_28.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/17561
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/1478
Impacted products
Vendor Product Version
digium asterisk *
digium asterisk 0.1.0
digium asterisk 0.1.1
digium asterisk 0.1.2
digium asterisk 0.1.3
digium asterisk 0.1.4
digium asterisk 0.1.5
digium asterisk 0.1.6
digium asterisk 0.1.7
digium asterisk 0.1.8
digium asterisk 0.1.9
digium asterisk 0.1.9.1
digium asterisk 0.1.10
digium asterisk 0.1.11
digium asterisk 0.1.12
digium asterisk 0.2
digium asterisk 0.2.0
digium asterisk 0.3
digium asterisk 0.3.0
digium asterisk 0.4
digium asterisk 0.4.0
digium asterisk 0.5.0
digium asterisk 0.7.0
digium asterisk 0.7.1
digium asterisk 0.7.2
digium asterisk 1.0.0
digium asterisk 1.0.1
digium asterisk 1.0.2
digium asterisk 1.0.3
digium asterisk 1.0.4
digium asterisk 1.0.5
digium asterisk 1.0.6
digium asterisk 1.0.7
digium asterisk 1.0.8
digium asterisk 1.0.9
digium asterisk 1.0_rc1
digium asterisk 1.0_rc2
digium asterisk 1.2.0_beta1
To clipboard 

{
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length."
    }
  ],
  "id": "CVE-2006-1827",
  "lastModified": "2026-04-16T00:27:16.627",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.4,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2006-04-18T20:02:00.000",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gz"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/19800"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/19872"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/19897"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Patch"
      ],
      "url": "http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2006/dsa-1048"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.novell.com/linux/security/advisories/2006_04_28.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/17561"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.vupen.com/english/advisories/2006/1478"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gz"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/19800"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/19872"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/19897"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2006/dsa-1048"
    },
    {
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      "url": "http://www.novell.com/linux/security/advisories/2006_04_28.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/17561"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2006/1478"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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

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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.