CPANSA-perl-2017-12883: 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 9.1 Severity Critical
Original language Language en
Also referred to

Vulnerability Description

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.

Vulnerabilities

CVE-2017-12883

Vulnerability Description

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.

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

Product status

Known affected
Product Score
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:H/I:N/A:H 9.1 Critical
2.0 AV:N/AC:L/Au:N/C:P/I:N/A:P 6.4 Medium
perl greater than or equal 5.20.0 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:H/I:N/A:H 9.1 Critical
2.0 AV:N/AC:L/Au:N/C:P/I:N/A:P 6.4 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/