8.8high

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 cause a stacked-ba…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
5.6%
percentile 93%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

5.58% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.18.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Flexera Software LLC GnuTLS libtasn1

Classification

Weakness

References

  • security.gentoo.org /glsa/201710-11 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • debian.org /security/2017/dsa-3861 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • secuniaresearch.flexerasoftware.com /advisories/76125/ · x_refsource_MISC, x_transferred
  • secuniaresearch.flexerasoftware.com /secunia_research/2017-11/ · x_refsource_MISC, x_transferred
  • git.savannah.gnu.org /gitweb/?p=libtasn1.git%3Ba=commit%3Bh=5520704d075802df25ce4ffccc010ba1641bd484 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/98641 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1038619 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2019-06/msg00018.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.apache.org /thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred
  • lists.apache.org /thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.