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EUVD-2011-2907 · Published Jan 13, 2012
Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow.
Technologies
Perl PerlDan_Kogai Encode Module
Weaknesses
CWE-189
CVSS scores
- v2.05.1
AV:N/AC:H/Au:N/C:P/I:P/A:P
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
Initial Access
References
- http://perl5.git.perl.org/perl.git/commitdiff/e46d973584785af1f445c4dedbee4243419cb860#patch5
- http://cpansearch.perl.org/src/FLORA/perl-5.14.2/pod/perldelta.pod
- http://search.cpan.org/~flora/perl-5.14.2/pod/perldelta.pod#Encode_decode_xs_n-byte_heap-overflow_%28CVE-2011-2939%29
- http://secunia.com/advisories/46172
- http://secunia.com/advisories/46989
- http://secunia.com/advisories/51457
Potentially impacted assets
See if this affects your attack surface
