CVE-2018-18557
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-18557
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-18557.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201811-17
Vendor advisory: arch — https://security.archlinux.org/ASA-201811-18
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 4.0.10-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 4.0.9+git181026-1 |
| debian | bullseye | fixed | 4.0.9+git181026-1 |
| debian | forky | fixed | 4.0.9+git181026-1 |
| debian | sid | fixed | 4.0.9+git181026-1 |
| debian | trixie | fixed | 4.0.9+git181026-1 |
References
Verify integrity in audit chain (admin only). AS-IS.