Buffer overflow in LibTIFF LibTIFF

1) Buffer overflow

EUVDB-ID: #VU31989

Risk: Low

CVSSv4.0: 4.3 [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 - Memory corruption

Exploit availability: No

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

LibTIFF: 1:6.0p1-4+deb7u4

CPE2.3

• cpe:2.3:a:libtiff:libtiff:1:6.0p1-4 deb7u4:*:*:*:*:*:*:*

External links

https://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.html
https://seclists.org/fulldisclosure/2018/Dec/33
https://www.openwall.com/lists/oss-security/2017/11/01/11
https://www.openwall.com/lists/oss-security/2017/11/01/3
https://www.openwall.com/lists/oss-security/2017/11/01/7
https://www.openwall.com/lists/oss-security/2017/11/01/8
https://www.securityfocus.com/bid/101688
https://bugs.exim.org/show_bug.cgi?id=2047

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.