Bug 1191149 – CVE-2015-2058 jabberd: buffer overflow when normalizing strings

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Bug 1191149 - (CVE-2015-2058) CVE-2015-2058 jabberd: buffer overflow when normalizing strings

Summary:	CVE-2015-2058 jabberd: buffer overflow when normalizing strings

Status:	CLOSED WONTFIX

Aliases:	CVE-2015-2058

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=low,public=20150209,reported=2...
Keywords:	Security

Depends On:	1191150 1191151
Blocks:	1191152
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Reported:	2015-02-10 09:44 EST by Vasyl Kaigorodov
Modified:	2015-04-30 05:00 EDT (History)
CC List:	9 users (show)

See Also:	https://github.com/jabberd2/jabberd2/issues/85
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2015-04-30 05:00:54 EDT
Type:	---
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CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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Description Vasyl Kaigorodov 2015-02-10 09:44:48 EST

A buffer overflow was found in the XMPP server jabberd2 when normalizing
strings that can lead to remote information disclosure [1]. When parsing a
JID, jabberd2 version 2.3.2 and below truncate the data but do not verify
whether the result is valid UTF8 before passing it to libidn. If the data ends
with an unterminated multi-byte UTF8 sequence then libidn may copy data past
the buffer into the result. This can be exploited by remote clients or remote
servers.

Cve was requested on oss-security:
http://seclists.org/oss-sec/2015/q1/487

[1]: https://github.com/jabberd2/jabberd2/issues/85

Comment 1 Vasyl Kaigorodov 2015-02-10 09:45:54 EST

Created jabberd tracking bugs for this issue:

Affects: fedora-all [bug 1191150]
Affects: epel-all [bug 1191151]

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