Bug 1574852 (CVE-2018-10380) - CVE-2018-10380 pam-kwallet: Access to privileged files
Summary: CVE-2018-10380 pam-kwallet: Access to privileged files
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-10380
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1574853
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-05-04 07:46 UTC by Andrej Nemec
Modified: 2021-10-21 20:02 UTC (History)
3 users (show)

Fixed In Version:
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Last Closed: 2021-10-21 20:02:50 UTC
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Description Andrej Nemec 2018-05-04 07:46:15 UTC 
It was found that kwallet-pam was doing file writing and permission changing as root that with correct timing and use of carefully crafted symbolic links could allow a non privileged user to become the owner of any file on the system.

External References:

https://www.kde.org/info/security/advisory-20180503-1.txt

Upstream patches:

https://commits.kde.org/kwallet-pam/2134dec85ce19d6378d03cddfae9e5e464cb24c0
https://commits.kde.org/kwallet-pam/01d4143fda5bddb6dca37b23304dc239a5fb38b5
Comment 1 Andrej Nemec 2018-05-04 07:46:52 UTC 
Created pam-kwallet tracking bugs for this issue:

Affects: epel-7 [bug 1574853]
Comment 2 Fedora Update System 2018-05-14 17:53:18 UTC 
pam-kwallet-5.12.5-3.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.
Comment 3 Fedora Update System 2018-05-14 18:34:52 UTC 
pam-kwallet-5.12.5-3.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.
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