CVE-2018-12900: Buffer Overflow
First published: Tue Jun 26 2018(Updated: )
Heap-based buffer overflow in the cpSeparateBufToContigBuf function in tiffcp.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0beta7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 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 allows remote attackers to cause a denial of service (crash) or possibly have unspecified other impact via a crafted TIFF file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/tiff | <=4.0.9-1<=4.0.8-2 | 4.0.8-2+deb9u5 4.0.10-4 |
| debian/tiff | 4.2.0-1+deb11u5 4.2.0-1+deb11u6 4.5.0-6+deb12u2 4.5.0-6+deb12u1 4.5.1+git230720-5 | |
| tiff | =4.0.9 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =18.10 |
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Reference Links
- http://bugzilla.maptools.org/show_bug.cgi?id=2798
- https://security-tracker.debian.org/tracker/CVE-2018-12900
- https://security-tracker.debian.org/tracker/CVE-2018-17000
- https://security-tracker.debian.org/tracker/CVE-2018-19210
- https://security-tracker.debian.org/tracker/CVE-2019-6128
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=902718
- https://access.redhat.com/errata/RHSA-2019:2053
- https://access.redhat.com/errata/RHSA-2019:3419
- https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-12900
- https://lists.debian.org/debian-lts-announce/2019/11/msg00027.html
- https://usn.ubuntu.com/3906-1/
- https://usn.ubuntu.com/3906-2/
- https://www.debian.org/security/2020/dsa-4670
- https://launchpad.net/bugs/cve/CVE-2018-12900
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1595576
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1595578
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1595577
- https://access.redhat.com/security/cve/cve-2018-12900
- https://bugzilla.redhat.com/show_bug.cgi?id=1595575
- https://gitlab.com/libtiff/libtiff/merge_requests/60
- https://gitlab.com/libtiff/libtiff/commit/27124e9148b2056d0e0bf4033b4924d5d2a38d01
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12900
- https://nvd.nist.gov/vuln/detail/CVE-2018-12900
- https://ubuntu.com/security/CVE-2018-12900
Frequently Asked Questions
What is the severity of CVE-2018-12900?
CVE-2018-12900 has a critical severity due to its potential for remote exploitation and denial of service.
How do I fix CVE-2018-12900?
To fix CVE-2018-12900, upgrade to a patched version of LibTIFF, specifically version 4.0.10 or later.
Which versions of LibTIFF are affected by CVE-2018-12900?
CVE-2018-12900 affects LibTIFF versions from 3.9.3 to 4.0.9.
Is CVE-2018-12900 exploitable remotely?
Yes, CVE-2018-12900 can be exploited remotely, leading to potential denial of service.
What are the potential impacts of CVE-2018-12900?
The potential impacts of CVE-2018-12900 include crashes, denial of service, and possible unauthorized code execution.
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