CVE-2018-8905 — In LibTIFF 4
In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.
Published
2018-03-22T04:00:00.000Z
Last modified
2024-08-05T07:10:46.630Z
01What is this vulnerability?
In LibTIFF 4.0.9, a heap-based buffer overflow occurs in the function LZWDecodeCompat in tif_lzw.c via a crafted TIFF file, as demonstrated by tiff2ps.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2018-03-22T04:00:00.000Z
- Last modified: 2024-08-05T07:10:46.630Z
09References
- bugzilla.maptools.org — http://bugzilla.maptools.org/show_bug.cgi?id=2780
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/05/msg00009.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/05/msg00008.html
- github.com — https://github.com/halfbitteam/POCs/tree/master/libtiff-4.08_tiff2ps_heap_overfl…
- usn.ubuntu.com — https://usn.ubuntu.com/3864-1/
- www.debian.org — https://www.debian.org/security/2018/dsa-4349
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/07/msg00002.html
- gitlab.com — https://gitlab.com/libtiff/libtiff/commit/58a898cb4459055bb488ca815c23b880c242a2…
- access.redhat.com — https://access.redhat.com/errata/RHSA-2019:2053
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