Medium severity · published Mar 17, 2019
CVE-2017-16231
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
5.5
CVSS
0.5%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Pcre · Pcre
8.41 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16231
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16231
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
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