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CVE-2017-7976

Status Candidate

Overview

Artifex jbig2dec 0.13 allows out-of-bounds writes and reads because of an integer overflow in the jbig2_image_compose function in jbig2_image.c during operations on a crafted .jb2 file, leading to a denial of service (application crash) or disclosure of sensitive information from process memory.

Related Files

Gentoo Linux Security Advisory 201708-10
Posted Aug 26, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201708-10 - Multiple integer overflow flaws have been discovered in jbig2dec, possibly resulting in execution of arbitrary code or Denial of Service. Versions less than 0.13-r4 are affected.

tags | advisory, denial of service, overflow, arbitrary
systems | linux, gentoo
advisories | CVE-2017-7885, CVE-2017-7975, CVE-2017-7976
SHA-256 | e800564a9d543207a426b461e655f3bbd79afb05e0188afad6b3e1e318f2fa3d
Ubuntu Security Notice USN-3297-1
Posted May 26, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3297-1 - Bingchang Liu discovered that jbig2dec incorrectly handled memory when decoding malformed image files. If a user or automated system were tricked into processing a specially crafted JBIG2 image file, a remote attacker could cause jbig2dec to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. It was discovered that jbig2dec incorrectly handled memory when decoding malformed image files. If a user or automated system were tricked into processing a specially crafted JBIG2 image file, a remote attacker could cause jbig2dec to crash, resulting in a denial of service, or possibly disclose sensitive information. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-9601, CVE-2017-7885, CVE-2017-7975, CVE-2017-7976
SHA-256 | 8995d60474715ca698f623cfd847001e10d5652f23121b9db2700dc1ab3047cc
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