vulnwire
7.5high

CVE-2017-7186

libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read acce…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.0%
percentile 92%
Public exploits
0
none known

libpcre1 in PCRE 8.40 and libpcre2 in PCRE2 10.23 allow remote attackers to cause a denial of service (segmentation violation for read access, and application crash) by triggering an invalid Unicode property lookup.

Exploit prediction (EPSS)

5.03% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • bugs.exim.org /show_bug.cgi?id=2052 · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201710-09 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • vcs.pcre.org /pcre/code/trunk/pcre_internal.h?r1=1649&r2=1688&sortby=date · x_refsource_CONFIRM, x_transferred
  • vcs.pcre.org /pcre2/code/trunk/src/pcre2_internal.h?r1=600&r2=670&sortby=date · x_refsource_CONFIRM, x_transferred
  • vcs.pcre.org /pcre/code/trunk/pcre_ucd.c?r1=1490&r2=1688&sortby=date · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/97030 · vdb-entry, x_refsource_BID, x_transferred
  • blogs.gentoo.org /ago/2017/03/14/libpcre-invalid-memory-read-in-match-pcre_exec-c/ · x_refsource_MISC, x_transferred
  • vcs.pcre.org /pcre2/code/trunk/src/pcre2_ucd.c?r1=316&r2=670&sortby=date · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2018:2486 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • security.gentoo.org /glsa/201710-25 · vendor-advisory, x_refsource_GENTOO, x_transferred

Sources

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