CVE-2017-16231
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
35.7%
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
Affected configurations
References
packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.html
seclists.org/fulldisclosure/2018/Dec/33
www.openwall.com/lists/oss-security/2017/11/01/11
www.openwall.com/lists/oss-security/2017/11/01/3
www.openwall.com/lists/oss-security/2017/11/01/7
www.openwall.com/lists/oss-security/2017/11/01/8
www.securityfocus.com/bid/101688
bugs.exim.org/show_bug.cgi?id=2047
Related
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
35.7%