Vulnerability Details : 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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2017-7244
Probability of exploitation activity in the next 30 days: 0.44%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 71 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-7244
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-7244
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7244
-
https://blogs.gentoo.org/ago/2017/03/20/libpcre-invalid-memory-read-in-_pcre32_xclass-pcre_xclass-c/
libpcre: invalid memory read in _pcre32_xclass (pcre_xclass.c) | agostino's blogThird Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/201710-25
PCRE: Multiple vulnerabilities (GLSA 201710-25) — Gentoo security
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http://www.securityfocus.com/bid/97067
libpcre Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
-
https://access.redhat.com/errata/RHSA-2018:2486
RHSA-2018:2486 - Security Advisory - Red Hat Customer Portal
Products affected by CVE-2017-7244
- cpe:2.3:a:pcre:pcre:8.40:*:*:*:*:*:*:*