CVE-2017-16231

low-risk
Published 2019-03-21

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

Do I need to act?

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0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Pcre

Affected Vendors

Pcre

References (16)

Third Party Advisory http://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.html
Mailing List http://seclists.org/fulldisclosure/2018/Dec/33
Mailing List http://www.openwall.com/lists/oss-security/2017/11/01/11
Exploit http://www.openwall.com/lists/oss-security/2017/11/01/3
Mailing List http://www.openwall.com/lists/oss-security/2017/11/01/7
Exploit http://www.openwall.com/lists/oss-security/2017/11/01/8
Third Party Advisory http://www.securityfocus.com/bid/101688
Issue Tracking https://bugs.exim.org/show_bug.cgi?id=2047
Third Party Advisory http://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.html
Mailing List http://seclists.org/fulldisclosure/2018/Dec/33
Mailing List http://www.openwall.com/lists/oss-security/2017/11/01/11
Exploit http://www.openwall.com/lists/oss-security/2017/11/01/3
Mailing List http://www.openwall.com/lists/oss-security/2017/11/01/7
Exploit http://www.openwall.com/lists/oss-security/2017/11/01/8
Third Party Advisory http://www.securityfocus.com/bid/101688
Issue Tracking https://bugs.exim.org/show_bug.cgi?id=2047
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal