Bug 43552 – libevent: Multiple issues (4.1)

Bug 43552 - libevent: Multiple issues (4.1)


Summary:	libevent: Multiple issues (4.1)

Status:	CLOSED FIXED

Product:	UCS
Classification:	Unclassified
Component:	Security updates
Version:	UCS 4.1
Hardware:	Other Linux

Importance:	P3 normal (vote)
Target Milestone:	UCS 4.1-4-errata
Assigned To:	Arvid Requate
QA Contact:	Daniel Tröder

URL:
Keywords:

Depends on:
Blocks:	43553
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Reported:	2017-02-15 20:43 CET by Arvid Requate
Modified:	2017-02-22 12:33 CET (History)
CC List:	0 users

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What kind of report is it?:	Security Issue
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Max CVSS v3 score:	7.5 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Flags:	requate: Patch_Available+

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Description Arvid Requate

2017-02-15 20:43:32 CET

Upstream Debian package version 2.0.19-stable-3+deb7u2 fixes these issues:

* Stack-buffer overflow in the name_parse() function (CVE-2016-10195)
* Stack-buffer overflow in evutil_parse_sockaddr_port() (CVE-2016-10196)
* Out-of-bounds read in search_make_new() (CVE-2016-10197)

Comment 1 Arvid Requate

2017-02-15 21:37:13 CET

Imported and built.

Advisory: libevent.yaml

Comment 2 Daniel Tröder

2017-02-17 10:05:21 CET

OK: advisory
OK: version

dtroeder@dimma:~$ repo_stat.py libevent
[..]
Version 2.0.19-stable-3+deb7u2	Rev 82812	Date 2017-02-15 20:45:50
	Release 4.1-0-0	Scope errata4.1-4

https://security-tracker.debian.org/tracker/source-package/libevent
Release	Version
wheezy	                2.0.19-stable-3+deb7u1
wheezy (security)	2.0.19-stable-3+deb7u2
---
Bug           	wheezy	jessie	stretch	        sid	Description
CVE-2016-10197	fixed	fixed	vulnerable	fixed	
CVE-2016-10196	fixed	fixed	vulnerable	fixed	
CVE-2016-10195	fixed	fixed	vulnerable	fixed

OK: manual test:

root@m90s4:~# univention-install libevent-dev
root@m90s4:~# wget https://github.com/libevent/libevent/raw/master/sample/hello-world.c
root@m90s4:~# gcc -o libevent-hello-world -levent /usr/share/doc/libevent-dev/examples/hello-world.c
root@m90s4:~# ./libevent-hello-world 
root@m90s4:~# [ 'Hello, World!' = "$(ncat 127.0.0.1 9995)" ] && echo OK
OK

Comment 3 Daniel Tröder

2017-02-17 10:07:08 CET

Actually /usr/share/doc/libevent-dev/examples/hello-world.c was used, not the one from github.

Comment 4 Janek Walkenhorst

2017-02-22 12:33:03 CET

<http://errata.software-univention.de/ucs/4.1/404.html>