Buffer overflow in LibTIFF - CVE-2017-16231
Published: March 21, 2019 / Updated: July 28, 2020
Vulnerability identifier: #VU31989
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-16231
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: LibTIFF
Affected software:
LibTIFF
LibTIFF
Detailed vulnerability description
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
** DISPUTED ** In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call. NOTE: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used.
How to mitigate CVE-2017-16231
Install update from vendor's website.
Sources
- http://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.html
- http://seclists.org/fulldisclosure/2018/Dec/33
- http://www.openwall.com/lists/oss-security/2017/11/01/11
- http://www.openwall.com/lists/oss-security/2017/11/01/3
- http://www.openwall.com/lists/oss-security/2017/11/01/7
- http://www.openwall.com/lists/oss-security/2017/11/01/8
- http://www.securityfocus.com/bid/101688
- https://bugs.exim.org/show_bug.cgi?id=2047