9.1crit

CVE-2017-12883

Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attacke…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.9%
percentile 93%
Public exploits
0
none known

Summary

Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.

Exploit prediction (EPSS)

5.91% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD2.06.4AV:N/AC:L/Au:N/C:P/I:N/A:P

Classification

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

References

  • debian.org /security/2017/dsa-3982 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/100852 · vdb-entry, x_refsource_BID, x_transferred
  • oracle.com /security-alerts/cpujul2020.html · x_refsource_MISC, x_transferred
  • perl5.git.perl.org /perl.git/log/refs/tags/v5.26.1-RC1 · x_refsource_CONFIRM, x_transferred
  • perl5.git.perl.org /perl.git/log/refs/tags/v5.24.3-RC1 · x_refsource_CONFIRM, x_transferred
  • security.netapp.com /advisory/ntap-20180426-0001/ · x_refsource_CONFIRM, x_transferred
  • mirror.cucumberlinux.com /cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch · x_refsource_CONFIRM, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1492093 · x_refsource_CONFIRM, x_transferred
  • rt.perl.org /Public/Bug/Display.html?id=131598 · x_refsource_CONFIRM, x_transferred
  • perl5.git.perl.org /perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.