High severity · published Dec 13, 2016
CVE-2015-3217
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a…
7.5
CVSS
6.2%
EPSS
No
On KEV
Description
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.2% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Pcre · Pcre
7.8; 8.32; 8.33; 8.34; 8.35; 8.36; +1 more · source: NVD
PC
Pcre2 · Pcre
10.10 · source: NVD
PO
Powerkvm · Ibm
2.1; 3.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-3217
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-3217
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-1025.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Patch
http://vcs.pcre.org/pcre?view=revision&revision=1566
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
Mailing List
http://www.openwall.com/lists/oss-security/2015/06/03/7
www.oracle.com
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
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