Univention Bugzilla – Full Text Bug Listing |
Summary: | sudo: multiple issues (4.1) | ||
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Product: | UCS | Reporter: | Arvid Requate <requate> |
Component: | Security updates | Assignee: | Arvid Requate <requate> |
Status: | CLOSED FIXED | QA Contact: | Daniel Tröder <troeder> |
Severity: | normal | ||
Priority: | P5 | CC: | gohmann, walkenhorst |
Version: | UCS 4.1 | Flags: | requate:
Patch_Available+
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Target Milestone: | UCS 4.1-1-errata | ||
Hardware: | Other | ||
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): | Security | |
Max CVSS v3 score: | |||
Bug Depends on: | |||
Bug Blocks: | 40365, 40366 |
Description
Arvid Requate
2016-01-05 11:44:41 CET
Upstream Debian package version 1.8.5p2-1+nmu3+deb7u1 fixes this issue. The patches have been extracted from the Debian package update and the package has been rebuilt with them in errata4.1-1. Advisory: sudo.yaml OK: advisory
OK: manual test of exploit:
root@Test35:~# dpkg -l sudo
ii sudo 1.8.5p2-1+nmu2.39.
root@Test35:~# visudo
>> test01 ALL=(root) NOPASSWD: sudoedit /home/*/*/test.txt
root@Test35:~# su - test01
test01@Test35:~$ mkdir testdir
test01@Test35:~$ ln -s /etc/shadow testdir/test.txt
test01@Test35:~$ sudoedit /home/test01/testdir/test.txt
[can edit shadow file]
sudoedit: /home/test01/testdir/test.txt unchanged
root@Test35:~# DEBIAN_FRONTEND=noninteractive apt-get install sudo
sudo (1.8.5p2-1+nmu2.42.201602292006) wird eingerichtet ...
test01@Test35:~$ sudoedit /home/test01/testdir/test.txt
sudoedit: /home/test01/testdir/test.txt: editing files in a writable directory is not permitted
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