Bug 1106517 (CVE-2018-14622)

Summary:	VUL-0: CVE-2018-14622: libtirpc: Segmentation fault in makefd_xprt return value in svc_vc.c
Product:	[Novell Products] SUSE Security Incidents	Reporter:	Alexander Bergmann <abergmann>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	RESOLVED FIXED	QA Contact:	Security Team bot <security-team>
Severity:	Minor
Priority:	P3 - Medium	CC:	abergmann, smash_bz
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/213503/
Whiteboard:	CVSSv3:RedHat:CVE-2018-14622:5.3:(AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) CVSSv3:SUSE:CVE-2018-14622:5.3:(AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Alexander Bergmann 2018-08-30 06:22:58 UTC

rh#1620293

A flaw was found in libtirpc. The return value of makefd_xprt was used without checking for NULL in svc_vc.c, leading to a null pointer dereference / segfault if the maximum number of available file descriptors was exhausted.


References:
https://bugzilla.novell.com/show_bug.cgi?id=968175

Upstream Patch:
http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=1c77f7a869bdea2a34799d774460d1f9983d45f0

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1620293
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-14622

Comment 2 Marcus Meissner 2018-08-30 13:33:20 UTC

dup of bug 968175

*** This bug has been marked as a duplicate of bug 968175 ***

Comment 3 Marcus Meissner 2018-08-30 14:01:16 UTC

reverse dup needed

Comment 6 Thomas Blume 2018-09-03 11:27:15 UTC

Patch submitted, reassigning to security team to wrap up.

Comment 7 Marcus Meissner 2018-10-15 08:59:35 UTC

done

Comment 8 Swamp Workflow Management 2018-10-15 13:09:33 UTC

SUSE-SU-2018:3146-1: An update that solves two vulnerabilities and has one errata is now available.

Category: security (moderate)
Bug References: 1106517,1106519,968175
CVE References: CVE-2018-14621,CVE-2018-14622
Sources used:
SUSE Linux Enterprise Software Development Kit 11-SP4 (src):    libtirpc-0.2.1-1.13.6.1
SUSE Linux Enterprise Server 11-SP4 (src):    libtirpc-0.2.1-1.13.6.1
SUSE Linux Enterprise Debuginfo 11-SP4 (src):    libtirpc-0.2.1-1.13.6.1