Vulnerability CVE-2015-8779


Published: 2016-04-19   Modified: 2017-06-30

Description:
Stack-based buffer overflow in the catopen function in the GNU C Library (aka glibc or libc6) before 2.23 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long catalog name.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
glibc catopen() Multiple unbounded stack allocations
CXSECURITY
22.01.2016

Vendor: Debian
Product: Debian linux 
Version: 8.0;
Vendor: Fedoraproject
Product: Fedora 
Version: 23;
Vendor: GNU
Product: Glibc 
Version: 2.22;
Vendor: Canonical
Product: Ubuntu linux 
Version:
15.10
14.04
12.04
Vendor: Novell
Product: Opensuse 
Version: 13.2;
Vendor: SUSE
Product: Linux enterprise desktop 
Version: 12; 11.0;
Product: Linux enterprise server 
Version: 12; 11.0;
Product: Linux enterprise software development kit 
Version: 12; 11.0;
Product: Linux enterprise debuginfo 
Version: 11.0;

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html
http://www.debian.org/security/2016/dsa-3480
http://www.debian.org/security/2016/dsa-3481
http://www.openwall.com/lists/oss-security/2016/01/19/11
http://www.openwall.com/lists/oss-security/2016/01/20/1
http://www.securityfocus.com/bid/82244
http://www.ubuntu.com/usn/USN-2985-1
http://www.ubuntu.com/usn/USN-2985-2
https://security.gentoo.org/glsa/201602-02
https://security.gentoo.org/glsa/201702-11
https://sourceware.org/bugzilla/show_bug.cgi?id=17905
https://www.sourceware.org/ml/libc-alpha/2016-02/msg00502.html

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