Vulnerability CVE-2012-0039


Published: 2012-01-14   Modified: 2012-02-13

Description:
** DISPUTED ** GLib 2.31.8 and earlier, when the g_str_hash function is used, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table. NOTE: this issue may be disputed by the vendor; the existence of the g_str_hash function is not a vulnerability in the library, because callers of g_hash_table_new and g_hash_table_new_full can specify an arbitrary hash function that is appropriate for the application.

Type:

CWE-310

(Cryptographic Issues)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Gnome -> GLIB 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=772720
http://openwall.com/lists/oss-security/2012/01/10/12
http://mail.gnome.org/archives/gtk-devel-list/2003-May/msg00111.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=655044

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