Bug 53394 - isc-dhcp: Multiple issues (4.4)
isc-dhcp: Multiple issues (4.4)
Status: CLOSED FIXED
Product: UCS
Classification: Unclassified
Component: Security updates
UCS 4.4
All Linux
: P3 normal (vote)
: UCS 4.4-8-errata
Assigned To: Quality Assurance
Philipp Hahn
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2021-06-04 12:40 CEST by Quality Assurance
Modified: 2021-06-09 18:27 CEST (History)
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: 8.8 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)


Attachments

Note You need to log in before you can comment on or make changes to this bug.
Description Quality Assurance univentionstaff 2021-06-04 12:40:22 CEST
New Debian isc-dhcp 4.3.5-3+deb9u2A~4.4.8.202106041236 fixes:
This update addresses the following issue:
* stack-based buffer overflow when parsing statements with colon-separated  hex digits in config or lease files in dhcpd and dhclient (CVE-2021-25217)
Comment 1 Quality Assurance univentionstaff 2021-06-04 13:02:26 CEST
--- mirror/ftp/4.4/unmaintained/4.4-1/source/isc-dhcp_4.3.5-3+deb9u1A~4.4.0.201903251533.dsc
+++ apt/ucs_4.4-0-errata4.4-8/source/isc-dhcp_4.3.5-3+deb9u2A~4.4.8.202106041236.dsc
@@ -1,4 +1,4 @@
-4.3.5-3+deb9u1A~4.4.0.201903251533 [Mon, 25 Mar 2019 15:33:11 +0100] Univention builddaemon <buildd@univention.de>:
+4.3.5-3+deb9u2A~4.4.8.202106041236 [Fri, 04 Jun 2021 12:40:53 +0200] Univention builddaemon <buildd@univention.de>:
 
   * UCS auto build. The following patches have been applied to the original source package
     10_fix_28139_ranges
@@ -12,6 +12,12 @@
     30_policy
     30_policy
 
+4.3.5-3+deb9u2 [Thu, 03 Jun 2021 11:56:24 +0200] Emilio Pozuelo Monfort <pochu@debian.org>:
+
+  * Non-maintainer upload by the LTS Team.
+  * CVE-2021-25217: denial of service in server and client via application
+    crash when parsing lease information.
+
 4.3.5-3+deb9u1 [Sat, 03 Mar 2018 17:27:05 +0100] Salvatore Bonaccorso <carnil@debian.org>:
 
   * Non-maintainer upload by the Security Team.

<http://piuparts.knut.univention.de/4.4-8/#7301144747776868736>
Comment 2 Philipp Hahn univentionstaff 2021-06-04 14:17:27 CEST
OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[4.4-8] 53839cc668 Bug #53394: isc-dhcp 4.3.5-3+deb9u2A~4.4.8.202106041236
 doc/errata/staging/isc-dhcp.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

[4.4-8] a1382b8c6b Bug #53394: isc-dhcp 4.3.5-3+deb9u2A~4.4.8.202106041236
 doc/errata/staging/isc-dhcp.yaml | 13 +++++++++++++
 1 file changed, 13 insertions(+)