CVE-2017-6891
libtasn1-6 - security update
8.8
HIGH
CVSS 3.1
EPSS 1.6%
Description
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.
How to fix CVE-2017-6891
To remediate CVE-2017-6891, upgrade the affected package to a fixed version below.
- Alpine/libtasn1—upgrade to 4.7-r2 or later
- —upgrade to 2.13-2+deb7u4 or later
- —upgrade to 4.10-1.1 or later
- —upgrade to 4.2-3+deb8u3 or later
Is CVE-2017-6891 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 4.7-r2
- from 0, < 2.13-2+deb7u4
- from 0, < 4.10-1.1
- from 0, < 4.2-3+deb8u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |