Home/CVE/The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLA
CVE

CVE-2016-4008

The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLA

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.

MEDIUM · CVSS 5.9 EPSS 0.0429
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
canonical ubuntu linuxall versions
opensuseall versions
gnu libtasn1<= 4.7
fedoraproject fedoraall versions
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 May 2016 · 06:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:10414-1
suse-csafSUSE-SU-2017:2699-1
suse-csafSUSE-SU-2017:2700-1
suse-csafSUSE-SU-2016:1600-1
suse-csafSUSE-SU-2016:1601-1
🔗

References & Sources

13
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182907.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183221.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
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