Bug 1478288 (CVE-2017-12133)

Summary:	CVE-2017-12133 glibc: Use-after-free read access in clntudp_call in sunrpc
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	arjun.is, ashankar, codonell, dj, fweimer, glibc-bugzilla, law, mfabian, mnewsome, pfrankli, siddhesh, slawomir
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	glibc 2.26	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-08-18 09:23:27 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1478289
Bug Blocks:	1478293

Description Adam Mariš 2017-08-04 08:18:03 UTC

CVE-2016-4429 fix introduced a use-after-free vulnerability in clntudp_call of sunrpc.

Upstream bug:

https://sourceware.org/bugzilla/show_bug.cgi?id=21115

Upstream patch:

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d42eed4a044e5e10dfb885cf9891c2518a72a491

Comment 1 Adam Mariš 2017-08-04 08:18:32 UTC

Created glibc tracking bugs for this issue:

Affects: fedora-all [bug 1478289]

Comment 2 Huzaifa S. Sidhpurwala 2017-08-18 09:22:07 UTC

Statement:

This issue does not affect the versions of gcc compiler shipped with Red Hat Enterprise Linux, because The patch for CVE-2016-4429 was not backported for those versions of glibc.