Vulnerability CVE-2015-2059
Published: 2015-08-12

Description:
The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

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
Affected software
Opensuse -> Opensuse 
Novell -> Opensuse 
Libidn project -> Libidn 
GNU -> Libidn 
Fedoraproject -> Fedora 

 References:
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=2e97c279
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162537.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162549.html
http://lists.opensuse.org/opensuse-updates/2015-07/msg00042.html
http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
http://www.debian.org/security/2016/dsa-3578
http://www.openwall.com/lists/oss-security/2015/02/23/25
http://www.securityfocus.com/bid/72736
http://www.ubuntu.com/usn/USN-3068-1
https://github.com/jabberd2/jabberd2/issues/85
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