CPANSA-perl-2017-12837: perl vulnerability

Publisher giterlizzi Document category csaf_security_advisory
Initial release date 2017-09-19T00:00:00 Engine CSAF Perl Toolkit 0.25
Current release date 2017-09-19T00:00:00 Build Date
Current version 1 Status final
CVSS v3.1 Base Score 7.5 Severity High
Original language Language en
Also referred to

Vulnerability Description

Heap-based buffer overflow in the S_regatom 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 cause a denial of service (out-of-bounds write) via a regular expression with a '\\N{}' escape and the case-insensitive modifier.

Vulnerabilities

CVE-2017-12837

Vulnerability Description

Heap-based buffer overflow in the S_regatom 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 cause a denial of service (out-of-bounds write) via a regular expression with a '\N{}' escape and the case-insensitive modifier.

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

Product status

Known affected
Product Score
perl greater than or equal 5.18.0 and less than 5.24.3
CVSS Version CVSS Vector CVSS Base Score CVSS Base Severity
3.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 7.5 High
2.0 AV:N/AC:L/Au:N/C:N/I:N/A:P 5.0 Medium
perl equal =5.26.0
CVSS Version CVSS Vector CVSS Base Score CVSS Base Severity
3.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 7.5 High
2.0 AV:N/AC:L/Au:N/C:N/I:N/A:P 5.0 Medium
Fixed

giterlizzi

Namespace: https://github.com/giterlizzi/

gdt@cpan.org

References

Revision history

Version Date of the revision Summary of the revision
1 Tue Sep 19 00:00:00 2017 First release

Sharing rules

TLP:WHITE
For the TLP version see: https://www.first.org/tlp/