Home/CVE/Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to
CVE

CVE-2017-6891

Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to

Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.

HIGH · CVSS 8.8 EPSS 0.01587
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

3
gnu libtasn1all versions
debian linuxall versions
apache bookkeeperall versions
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · PSIRT-CNA@flexerasoftware.com
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 NVD22 May 2017 · 07:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

5
suse-csafSUSE-SU-2022:3797-1
suse-csafSUSE-SU-2019:1379-1
usnUSN-3309-2
suse-csafSUSE-SU-2017:1886-1
usnUSN-3309-1
🔗

References & Sources

10
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://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.htmlBroken Link
http://www.debian.org/security/2017/dsa-3861Third Party Advisory
http://www.securityfocus.com/bid/98641Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038619Third Party AdvisoryVDB Entry
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
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