Bug 46619 - openssh: Multiple issues (4.3)
openssh: Multiple issues (4.3)
Status: CLOSED FIXED
Product: UCS
Classification: Unclassified
Component: Security updates
UCS 4.3
All Linux
: P3 normal (vote)
: UCS 4.3-0-errata
Assigned To: Philipp Hahn
Arvid Requate
:
Depends on:
Blocks:
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Reported: 2018-03-13 16:38 CET by Philipp Hahn
Modified: 2018-05-16 17:04 CEST (History)
1 user (show)

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What kind of report is it?: Security Issue
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Max CVSS v3 score: 4.3 (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)


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Description Philipp Hahn univentionstaff 2018-03-13 16:38:39 CET
New Debian openssh 1:7.4p1-10+deb9u3 fixes:
This update addresses the following issue:
* CVE-2017-15906: In read-only mode, sftp-server was incorrectly permitting
  creation of zero-length files.

CVE-2017-15906 openssh: Improper write operations in readonly mode allow for zero-length file creation
Comment 1 Philipp Hahn univentionstaff 2018-03-13 17:40:41 CET
[4.3-0] c9b3873e00 Bug #46619: openssh_1:7.4p1-10+deb9u3
Comment 2 Quality Assurance univentionstaff 2018-05-04 16:44:12 CEST
--- mirror/ftp/4.3/unmaintained/4.3-0/source/openssh_7.4p1-10+deb9u2.dsc
+++ apt/ucs_4.3-0-errata4.3-0/source/openssh_7.4p1-10+deb9u3.dsc
@@ -1,3 +1,9 @@
+1:7.4p1-10+deb9u3 [Thu, 01 Mar 2018 15:17:53 +0000] Colin Watson <cjwatson@debian.org>:
+
+  * CVE-2017-15906: sftp-server(8): In read-only mode, sftp-server was
+    incorrectly permitting creation of zero-length files. Reported by Michal
+    Zalewski.
+
 1:7.4p1-10+deb9u2 [Sat, 18 Nov 2017 09:37:22 +0000] Colin Watson <cjwatson@debian.org>:
 
   * Test configuration before starting or reloading sshd under systemd
Comment 3 Arvid Requate univentionstaff 2018-05-15 10:55:14 CEST
* No UCS specific patches
* Comparison to previously shipped version ok
* Binary package update Ok
* Advisory Ok
Comment 4 Arvid Requate univentionstaff 2018-05-16 17:04:00 CEST
<http://errata.software-univention.de/ucs/4.3/63.html>