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
EPSS: 0.067 (91.4th percentile) — read the EPSS interpretation.
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.
Affected products
- Libtiff
- Oracle Linux — versions 6, 7
- Oracle Vm_server — versions 3.3, 3.4
- Redhat Enterprise_linux — versions 6.0, 7.0
- Redhat Enterprise_linux_desktop — versions 6.0, 7.0
- Redhat Enterprise_linux_workstation — versions 6.0, 7.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- RHSA-2016:1547 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- GLSA-201701-16 (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- RHSA-2016:1546 (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- 20151228 libtiff bmp file Heap Overflow (CVE-2015-8668) (mailing-list, x_refsource_BUGTRAQ, 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.