Bug 1736255

Summary:	freetds: Heap overflow in FreeTDS if UDT type is used with protocol 5.0
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	carnil, dmitry
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-01 16:18:48 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:	1728191, 1728192, 1736256, 1736257
Bug Blocks:

Description Laura Pardo 2019-08-01 15:33:29 UTC

A vulnerability was found in FreeTDS since version 0.95. By downgrading to protocol 5.0 and sending a UDT type, a malicious server could cause a heap overflow.


References:
https://bugzilla.novell.com/show_bug.cgi?id=1141132

Upstream Patch:
https://github.com/FreeTDS/freetds/commit/0df4eb82a0e3ff844e373d7c9f9c6c813925e2ac

Comment 1 Laura Pardo 2019-08-01 15:33:49 UTC

Created freetds tracking bugs for this issue:

Affects: epel-7 [bug 1736257]
Affects: fedora-all [bug 1736256]

Comment 2 Dmitry Butskoy 2019-08-01 16:18:48 UTC

Already fixed in freetds-1.1.11,the patch mentoned above (https://github.com/FreeTDS/freetds/commit/0df4eb82a0e3ff844e373d7c9f9c6c813925e2ac ) applied upstream in this version.

Comment 3 Salvatore Bonaccorso 2019-11-02 19:30:20 UTC

FTR, this is CVE-2019-13508