Bug 1471171 – CVE-2017-7805 nss: Potential use-after-free in TLS 1.2 server when verifying client authentication

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Bug 1471171 - (CVE-2017-7805) CVE-2017-7805 nss: Potential use-after-free in TLS 1.2 server when verifying client authentication

Summary:	CVE-2017-7805 nss: Potential use-after-free in TLS 1.2 server when verifying ...

Status:	CLOSED ERRATA

Aliases:	CVE-2017-7805

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

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

URL:
Whiteboard:	impact=important,public=20170928,repo...
Keywords:	Security

Depends On:	1473508 1473509 1473510 1473511 1496926
Blocks:	1471174
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Reported:	2017-07-14 11:05 EDT by Adam Mariš
Modified:	2018-07-23 09:09 EDT (History)
CC List:	16 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:	A use-after-free flaw was found in the TLS 1.2 implementation in the NSS library when client authentication was used. A malicious client could use this flaw to cause an application compiled against NSS to crash or, potentially, execute arbitrary code with the permission of the user running the application.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-09-28 22:18:17 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2017:2832	normal	SHIPPED_LIVE	Important: nss security update	2017-09-28 23:58:01 EDT

Groups: None (edit)

Description Adam Mariš 2017-07-14 11:05:22 EDT

Potential use-after-free vulnerability in nss in TLS 1.2 server when verifying client authentication was found.

Upstream bug:

https://bugzilla.mozilla.org/show_bug.cgi?id=1377618

Comment 10 Doran Moppert 2017-09-28 00:25:39 EDT

Acknowledgments:

Name: the Mozilla project
Upstream: Martin Thomson

Comment 11 Tomas Hoger 2017-09-28 04:27:10 EDT

Upstream commit:

https://hg.mozilla.org/projects/nss/rev/839200ce0943166a079284bdf45dcc37bb672925

Comment 12 Tomas Hoger 2017-09-28 14:58:30 EDT

Public now via upstream advisories:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-22/
https://www.mozilla.org/en-US/security/advisories/mfsa2017-21/

Comment 13 Tomas Hoger 2017-09-28 15:00:22 EDT

Created nss tracking bugs for this issue:

Affects: fedora-all [bug 1496926]

Comment 14 errata-xmlrpc 2017-09-28 19:58:47 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 7

Via RHSA-2017:2832 https://access.redhat.com/errata/RHSA-2017:2832

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