National Cyber Awareness System
Vulnerability Summary for CVE-2009-5029
Original release date:05/02/2013
Last revised:05/03/2013
Source:
US-CERT/NIST
Overview
Integer overflow in the __tzfile_read function in glibc before 2.15 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted timezone (TZ) file, as demonstrated using vsftpd.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=761245
External Source: MLIST
Name: [libc-alpha] 20111215 integer overflow to heap overrun exploit in glibc
External Source: MISC
Name: http://sourceware.org/git/?p=glibc.git;a=commit;h=97ac2654b2d831acaa18a2b018b0736245903fd2
External Source: FULLDISC
Name: 20111203 VSFTPD Remote Heap Overrun (low severity)
External Source: MISC
Name: http://dividead.wordpress.com/2009/06/01/glibc-timezone-integer-overflow/
