GLSA-201708-10 : jbig2dec: User-assisted execution of arbitrary code

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-201708-10
(jbig2dec: User-assisted execution of arbitrary code)

Integer overflow errors have been discovered in the
jbig2_decode_symbol_dict, jbig2_build_huffman_table, and
jbig2_image_compose functions of jbig2dec.

Impact :

A remote attacker, by enticing a user to open a specially crafted JBIG2
file using an application linked against jbig2dec, could possibly execute
arbitrary code with the privileges of the process or cause a Denial of
Service condition.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/201708-10

Solution :

All jbig2dec users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=media-libs/jbig2dec-0.13-r4'

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 102799 ()

Bugtraq ID:

CVE ID: CVE-2017-7885
CVE-2017-7975
CVE-2017-7976

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