Out-of-bounds Write Affecting libtiff package, versions <0:4.0.3-32.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS7-LIBTIFF-2140032
- published26 Jul 2021
- disclosed14 Oct 2018
Introduced: 14 Oct 2018
CVE-2018-18557 (opens in a new tab)How to fix?
Upgrade Centos:7 libtiff to version 0:4.0.3-32.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libtiff package and not the libtiff package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.
References
- https://access.redhat.com/security/cve/CVE-2018-18557
- https://www.debian.org/security/2018/dsa-4349
- https://www.exploit-db.com/exploits/45694/
- https://security.gentoo.org/glsa/201904-15
- https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-18557
- https://gitlab.com/libtiff/libtiff/commit/681748ec2f5ce88da5f9fa6831e1653e46af8a66
- https://gitlab.com/libtiff/libtiff/merge_requests/38
- https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html
- https://access.redhat.com/errata/RHSA-2019:2053
- https://usn.ubuntu.com/3864-1/
- https://usn.ubuntu.com/3906-2/