Medium severity · published Mar 23, 2017
CVE-2017-7244
The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file
5.5
CVSS
2%
EPSS
No
On KEV
Description
The _pcre32_xclass function in pcre_xclass.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (invalid memory read) via a crafted file.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Pcre · Pcre
8.40 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7244
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7244
Third Party Advisory
http://www.securityfocus.com/bid/97067
access.redhat.com
https://access.redhat.com/errata/RHSA-2018:2486
Third Party Advisory
https://blogs.gentoo.org/ago/2017/03/20/libpcre-invalid-memory-read-in-_pcre32_xclass-pcre_xclass-c/
security.gentoo.org
https://security.gentoo.org/glsa/201710-25
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