Bug 55397 - sudo: Multiple issues (5.0)
sudo: Multiple issues (5.0)
Status: CLOSED FIXED
Product: UCS
Classification: Unclassified
Component: Security updates
UCS 5.0
All Linux
: P3 normal (vote)
: UCS 5.0-2-errata
Assigned To: Quality Assurance
Philipp Hahn
:
Depends on:
Blocks:
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Reported: 2022-11-08 10:42 CET by Quality Assurance
Modified: 2022-11-09 17:41 CET (History)
0 users

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Max CVSS v3 score: 2.5 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N)


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Description Quality Assurance univentionstaff 2022-11-08 10:42:29 CET
New Debian sudo 1.8.27-1+deb10u4 fixes:
This update addresses the following issue:
* possible directory existence test due to race condition in sudoedit  (CVE-2021-23239)
Comment 1 Quality Assurance univentionstaff 2022-11-08 11:00:12 CET
--- mirror/ftp/pool/main/s/sudo/sudo_1.8.27-1+deb10u3.dsc
+++ apt/ucs_5.0-0-errata5.0-2/source/sudo_1.8.27-1+deb10u4.dsc
@@ -1,3 +1,11 @@
+1.8.27-1+deb10u4 [Mon, 07 Nov 2022 11:58:17 +0000] Chris Lamb <lamby@debian.org>:
+
+  * Non-maintainer upload by the Debian LTS team.
+  * CVE-2021-23239: Prevent an issue where a local unprivileged user may have
+    been able to perform arbitrary directory-existence tests by exploiting a
+    race condition in sudoedit by replacing a user-controlled directory by a
+    symlink to an arbitrary path.
+
 1.8.27-1+deb10u3 [Wed, 20 Jan 2021 13:26:17 +0100] Salvatore Bonaccorso <carnil@debian.org>:
 
   * Non-maintainer upload by the Security Team.

<http://piuparts.knut.univention.de/5.0-2/#2188147075367073064>
Comment 2 Philipp Hahn univentionstaff 2022-11-09 10:07:16 CET
OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[5.0-2] 3527a1efa2 Bug #55397: sudo 1.8.27-1+deb10u4
 doc/errata/staging/sudo.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

[5.0-2] f75b37221a Bug #55397: sudo 1.8.27-1+deb10u4
 doc/errata/staging/sudo.yaml | 13 +++++++++++++
 1 file changed, 13 insertions(+)