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FKIE_CVE-2016-4008

Vulnerability from fkie_nvd - Published: 2016-05-05 18:59 - Updated: 2026-06-17 00:46
Severity
5.9 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.
References
cve@mitre.orghttp://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625
cve@mitre.orghttp://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=f435825c0f527a8e52e6ffbc3ad0bc60531d537e
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2016-April/182907.html
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2016-April/183221.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
cve@mitre.orghttp://www.debian.org/security/2016/dsa-3568
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/04/11/3
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2957-1
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2957-2
cve@mitre.orghttps://lists.gnu.org/archive/html/help-libtasn1/2016-04/msg00009.html
cve@mitre.orghttps://security.gentoo.org/glsa/201703-05
af854a3a-2127-422b-91ae-364da2661108http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625
af854a3a-2127-422b-91ae-364da2661108http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=f435825c0f527a8e52e6ffbc3ad0bc60531d537e
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182907.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183221.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3568
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/04/11/3
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2957-1
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2957-2
af854a3a-2127-422b-91ae-364da2661108https://lists.gnu.org/archive/html/help-libtasn1/2016-04/msg00009.html
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201703-05
Impacted products
Vendor Product Version
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 15.10
canonical ubuntu_linux 16.04
opensuse opensuse 13.2
gnu libtasn1 *
fedoraproject fedora 22
fedoraproject fedora 23
fedoraproject fedora 24
To clipboard 

{
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  "cveTags": [],
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      "value": "The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n _asn1_extract_der_octet en lib/decoding.c en GNU Libtasn1 en versiones anteriores a 4.8, cuando se utiliza sin el indicador ASN1_DECODE_FLAG_STRICT_DER, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (recursi\u00f3n infinita) a trav\u00e9s de un certificado manipulado."
    }
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  "id": "CVE-2016-4008",
  "lastModified": "2026-06-17T00:46:43.840",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
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        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": 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

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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.
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  • 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.


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