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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:13047
[Rus]
Version
11
Class
patch
ALTXid
29617
Language
English
Severity
NotAvailable
Title
DSA-2265-1 perl -- lack of tainted flag propagation
Description
Mark Martinec discovered that Perl incorrectly clears the tainted flag on values returned by case conversion functions such as "lc". This may expose preexisting vulnerabilities in applications which use these functions while processing untrusted input. No such applications are known at this stage. Such applications will cease to work when this security update is applied because taint checks are designed to prevent such unsafe use of untrusted input data.
Family
unix
Platform
Debian GNU/kFreeBSD 6.0
Debian GNU/Linux 5.0
Debian GNU/Linux 6.0
Product
perl
Reference
VENDOR: DSA-2265-1
VENDOR: DSA-2265-1
Id:
DSA-2265-1
Reference:
http://lists.debian.org/debian-security-announce/2011/msg00135.html
CVE: CVE-2011-1487
CVE: CVE-2011-1487
Id:
CVE-2011-1487
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1487
Comment
: 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.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
CWE:
264 (Permissions, Privileges, and Access Controls)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=692844 (CONFIRM)
[oss-security] 20110401 CVE Request -- perl -- lc(), uc() routines are laundering tainted data (MLIST)
[oss-security] 20110404 Re: CVE Request -- perl -- lc(), uc() routines are laundering tainted data (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=692898 (CONFIRM)
http://rt.perl.org/rt3/Public/Bug/Display.html?id=87336 (CONFIRM)
43921 (SECUNIA)
47124 (BID)
http://perl5.git.perl.org/perl.git/commit/539689e74a3bcb04d29e4cd9396de91a81045b99 (CONFIRM)
FEDORA-2011-4631 (FEDORA)
FEDORA-2011-4610 (FEDORA)
44168 (SECUNIA)
DSA-2265 (DEBIAN)
MDVSA-2011:091 (MANDRIVA)
SUSE-SR:2011:009 (SUSE)
perl-laundering-security-bypass(66528) (XF)
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