Bug 53899 – krb5: Multiple issues (5.0)

Bug 53899 - krb5: Multiple issues (5.0)


Summary:	krb5: Multiple issues (5.0)

Status:	CLOSED FIXED

Product:	UCS
Classification:	Unclassified
Component:	Security updates
Version:	UCS 5.0
Hardware:	All Linux

Importance:	P3 normal (vote)
Target Milestone:	UCS 5.0-0-errata
Assigned To:	Quality Assurance
QA Contact:	Philipp Hahn

URL:
Keywords:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2021-10-12 16:52 CEST by Quality Assurance
Modified:	2021-10-13 16:18 CEST (History)
CC List:	0 users

See Also:
What kind of report is it?:	Security Issue
What type of bug is this?:	---
Who will be affected by this bug?:	---
How will those affected feel about the bug?:	---
User Pain:
Enterprise Customer affected?:
School Customer affected?:
ISV affected?:
Waiting Support:
Flags outvoted (downgraded) after PO Review:
Ticket number:
Bug group (optional):
Max CVSS v3 score:	6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.

Description Quality Assurance

2021-10-12 16:52:06 CEST

New Debian krb5 1.17-3+deb10u3 fixes:
This update addresses the following issue:
* NULL pointer dereference in process_tgs_req() in kdc/do_tgs_req.c via a  FAST inner body that lacks server field (CVE-2021-37750)

Comment 1 Quality Assurance

2021-10-12 17:06:16 CEST

--- mirror/ftp/pool/main/k/krb5/krb5_1.17-3+deb10u2.dsc
+++ apt/ucs_5.0-0-errata5.0-0/source/krb5_1.17-3+deb10u3.dsc
@@ -1,3 +1,10 @@
+1.17-3+deb10u3 [Sun, 29 Aug 2021 16:23:02 -0600] Sam Hartman <hartmans@debian.org>:
+
+  * Fix KDC null dereference crash on FAST request with no server field,
+    CVE-2021-37750, Closes: #992607
+  * Fix memory leak in krb5_gss_inquire_cred, Closes: #991140
+
+
 1.17-3+deb10u2 [Thu, 22 Jul 2021 18:11:15 -0700] Benjamin Kaduk <kaduk@mit.edu>:
 
   * Import upstream patch for CVE-2021-36222, Closes: #991365

<http://piuparts.knut.univention.de/5.0-0/#4642853011781754751>

Comment 2 Philipp Hahn

2021-10-13 07:02:26 CEST

OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[5.0-0] a876c39d89 Bug #53899: krb5 1.17-3+deb10u3
 doc/errata/staging/krb5.yaml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Comment 3 Julia Bremer

2021-10-13 16:18:40 CEST

<https://errata.software-univention.de/#/?erratum=5.0x119>