CPANSA-Perl-Tidy-2016-10374: Perl-Tidy vulnerability

Publisher giterlizzi Document category csaf_security_advisory
Initial release date 2017-05-17T00:00:00 Engine CSAF Perl Toolkit 0.26
Current release date 2017-05-17T00:00:00 Build Date
Current version 1 Status final
CVSS v3.1 Base Score 5.5 Severity
Original language Language en
Also referred to

Vulnerability Description

perltidy through 20160302, as used by perlcritic, check-all-the-things, and other software, relies on the current working directory for certain output files and does not have a symlink-attack protection mechanism, which allows local users to overwrite arbitrary files by creating a symlink, as demonstrated by creating a perltidy.ERR symlink that the victim cannot delete.

Vulnerabilities

CVE-2016-10374

Vulnerability Description

perltidy through 20160302, as used by perlcritic, check-all-the-things, and other software, relies on the current working directory for certain output files and does not have a symlink-attack protection mechanism, which allows local users to overwrite arbitrary files by creating a symlink, as demonstrated by creating a perltidy.ERR symlink that the victim cannot delete.

Weakness CWE-59 : Improper Link Resolution Before File Access ('Link Following')

Product status

Known affected
Product Score
Perl-Tidy less than or equal 20160302
CVSS Version CVSS Vector CVSS Base Score CVSS Base Severity
3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N 5.5 Medium
2.0 AV:L/AC:L/Au:N/C:N/I:P/A:N 2.1 Low
Fixed

giterlizzi

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

gdt@cpan.org

References

Revision history

Version Date of the revision Summary of the revision
1 Wed May 17 00:00:00 2017 First release

Sharing rules

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