https://bugzilla.redhat.com/show_bug.cgi?id=1452050
Bug ID: 1452050
Summary: CVE-2016-10374 perltidy: Uses current working
directory without symlink-attack protection
Product: Security Response
Component: vulnerability
Keywords: Security
Severity: medium
Priority: medium
Assignee: security-response-t...@redhat.com
Reporter: ane...@redhat.com
CC: jples...@redhat.com, p...@city-fan.org,
perl-devel@lists.fedoraproject.org,
perl-maint-l...@redhat.com, ppi...@redhat.com,
psab...@redhat.com
perltidy 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.
References:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862667
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