Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libtiff | Libtiff | 4.0.9 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2019:2053
- https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-18557
- https://gitlab.com/libtiff/libtiff/commit/681748ec2f5ce88da5f9fa6831e1653e46af8a
- https://gitlab.com/libtiff/libtiff/merge_requests/38Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00019.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201904-15
- https://usn.ubuntu.com/3864-1/Third Party Advisory
- https://usn.ubuntu.com/3906-2/
- https://www.debian.org/security/2018/dsa-4349Third Party Advisory
- https://www.exploit-db.com/exploits/45694/ExploitThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2053
- https://github.com/Hack-Me/Pocs_for_Multi_Versions/tree/main/CVE-2018-18557
- https://gitlab.com/libtiff/libtiff/commit/681748ec2f5ce88da5f9fa6831e1653e46af8a
- https://gitlab.com/libtiff/libtiff/merge_requests/38Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00019.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-18557?
CVE-2018-18557 is a vulnerability with a CVSS score of 8.8 (HIGH). 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) dec...
How severe is CVE-2018-18557?
CVE-2018-18557 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-18557?
Check the references section above for vendor advisories and patch information. Affected products include: Libtiff Libtiff, Debian Debian Linux, Canonical Ubuntu Linux.