CVE-2018-18557

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.

CVSS v3.0 NVD

8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

14.96% chance of exploitation in the next 30 days, 97th percentile

Published

2018-10-22

Updated

2024-08-05

Proof-of-concept exploits (1)

• Cirno9-dev/Tracer2★ · 2023-07-03

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/45694

Security advisories

• https://gitlab.com/libtiff/libtiff/merge_requests/38
• https://lists.debian.org/debian-lts-announce/2018/10/msg00019.html
• https://usn.ubuntu.com/3864-1
• https://www.debian.org/security/2018/dsa-4349
• https://usn.ubuntu.com/3906-2

References

• CVE Record
• NVD entry