Buffer overflow in Libtiff
CVE-2015-8668
Heap-based buffer overflow in the PackBitsPreEncode function in tif_packbits.c in bmp2tiff in libtiff 4.0.6 and earlier allows remote attackers to execute arbitrary code or cause a denial of service via a large width field in a BMP image.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.137 (96.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.137 · newest: 0.137 · change: 0.000
Affected products
- Libtiff
- Oracle Linux — versions 6, 7
- Oracle Vm Server — versions 3.3, 3.4
- Red Hat Enterprise Linux — versions 6.0, 7.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1547.html (vendor-advisory, Third Party Advisory)
- packetstormsecurity.com/files/135080/libtiff-4.0.6-Heap-Overflow.html (Exploit, VDB Entry, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- security.gentoo.org/glsa/201701-16 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1546.html (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/archive/1/537208/100/0/threaded (mailing-list, VDB Entry, Broken Link)
Frequently asked questions
- What is CVE-2015-8668?
- CVE-2015-8668 is a critical-severity vulnerability in Libtiff, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2016-01-08.
- How severe is CVE-2015-8668?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2015-8668 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.