Bug 43553 – libevent: Denial of service (ES 3.3)

Bug 43553 - libevent: Denial of service (ES 3.3)


Summary:	libevent: Denial of service (ES 3.3)

Status:	CLOSED WONTFIX

Product:	UCS
Classification:	Unclassified
Component:	Security updates
Version:	UCS 3.3
Hardware:	Other Linux

Importance:	P3 normal (vote)
Target Milestone:	---
Assigned To:	UCS maintainers
QA Contact:	UCS maintainers

URL:
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Depends on:	43552
Blocks:	43554
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Reported:	2017-02-15 21:10 CET by Arvid Requate
Modified:	2019-04-11 19:25 CEST (History)
CC List:	0 users

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What kind of report is it?:	Security Issue
What type of bug is this?:	---
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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 21:10:35 CET

Debian wheezy package version 2.0.19-stable-3+deb7u2 contains fixes for:


* Stack-buffer overflow in evutil_parse_sockaddr_port() (CVE-2016-10196)

0003-evdns-name_parse-fix-remote-stack-overread.patch


* Out-of-bounds read in search_make_new() (CVE-2016-10197)

0001-evdns-fix-searching-empty-hostnames.patch

Comment 1 Arvid Requate

2017-02-15 21:14:08 CET

nfs-common depends on libevent-1.4-2

Comment 2 Arvid Requate

2017-02-15 21:26:01 CET

Also fixed in upstream Debian package version 1.4.13-stable-1+deb6u1:

* The evbuffer API in libevent is affected by an integer overflow which potentially allows a heap overflow or denial of service (ATM no existing application is known which uses the API in an affected manner) (CVE-2014-6272)

Comment 3 Stefan Gohmann

2019-01-03 07:10:38 CET

This issue has been filled against UCS 3.3. The maintenance with bug and security fixes for UCS 3.3 has ended on 31st of December 2016.

Customers still on UCS 3.3 are encouraged to update to UCS 4.3. Please contact
your partner or Univention for any questions.

If this issue still occurs in newer UCS versions, please use "Clone this bug" or simply reopen the issue. In this case please provide detailed information on how this issue is affecting you.