CVE-2011-1487

The (1) lc, (2) lcfirst, (3) uc, and (4) ucfirst functions in Perl 5.10.x, 5.11.x, and 5.12.x through 5.12.3, and 5.13.x through 5.13.11, do not apply the taint attribute to the return value upon processing tainted input, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

10.58% chance of exploitation in the next 30 days, 96th percentile

Published

2011-04-11

Updated

2024-08-06

Proof-of-concept exploits (1)

• https://bugzilla.redhat.com/show_bug.cgi?id=692898

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/35554

Security advisories

• http://secunia.com/advisories/43921
• http://openwall.com/lists/oss-security/2011/04/01/3
• http://openwall.com/lists/oss-security/2011/04/04/35
• http://perl5.git.perl.org/perl.git/commit/539689e74a3bcb04d29e4cd9396de91a81045b99
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:091
• http://www.securityfocus.com/bid/47124

References

• CVE Record
• NVD entry