Bug 50151

Summary: unzip: Multiple issues (4.3)
Product: UCS Reporter: Quality Assurance <qa>
Component: Security updatesAssignee: Quality Assurance <qa>
Status: CLOSED FIXED QA Contact: Philipp Hahn <hahn>
Severity: normal    
Priority: P3    
Version: UCS 4.3   
Target Milestone: UCS 4.3-4-errata   
Hardware: All   
OS: Linux   
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: 4.0 (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Description Quality Assurance univentionstaff 2019-09-09 15:40:55 CEST
New Debian unzip 6.0-21+deb9u2 fixes:
This update addresses the following issue:

* 6.0-21+deb9u2 (Mon, 05 Aug 2019 18:10:06 +0200) * Fix incorrect parsing of  64-bit values in fileio.c.. * Apply three patches by Mark Adler to fix  CVE-2019-13232. - Fix bug in undefer_input() that misplaced the input  state. - Detect and reject a zip bomb using overlapped entries. Bug  discovered by David Fifield.. - Do not raise a zip bomb alert for a  misplaced central directory. Reported by Peter Green..
Comment 1 Quality Assurance univentionstaff 2019-09-09 17:00:29 CEST
--- mirror/ftp/4.3/unmaintained/component/4.3-4-errata/source/unzip_6.0-21+deb9u1.dsc
+++ apt/ucs_4.3-0-errata4.3-4/source/unzip_6.0-21+deb9u2.dsc
@@ -1,3 +1,13 @@
+6.0-21+deb9u2 [Mon, 05 Aug 2019 18:10:06 +0200] Santiago Vila <sanvila@debian.org>:
+
+  * Fix incorrect parsing of 64-bit values in fileio.c. Closes: #929502.
+  * Apply three patches by Mark Adler to fix CVE-2019-13232.
+  - Fix bug in undefer_input() that misplaced the input state.
+  - Detect and reject a zip bomb using overlapped entries.
+    Bug discovered by David Fifield. Closes: #931433.
+  - Do not raise a zip bomb alert for a misplaced central directory.
+    Reported by Peter Green. Closes: #932404.
+
 6.0-21+deb9u1 [Wed, 17 Apr 2019 21:23:40 +0200] Santiago Vila <sanvila@debian.org>:
 
   * Fix buffer overflow in password protected ZIP archives. Closes: #889838.

<http://10.200.17.11/4.3-4/#7920889309960051733>
Comment 2 Philipp Hahn univentionstaff 2019-09-10 11:31:29 CEST
OK: yaml
OK: announce_errata
OK: patch
OK: piuparts

[4.3-4] 1ac87661d6 Bug #50151: unzip 6.0-21+deb9u2
 doc/errata/staging/unzip.yaml | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

[4.3-4] d73218ef90 Bug #50151: unzip 6.0-21+deb9u2
 doc/errata/staging/unzip.yaml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
Comment 3 Erik Damrose univentionstaff 2019-09-11 15:56:11 CEST
<http://errata.software-univention.de/ucs/4.3/583.html>