vulnerability
SUSE: CVE-2020-13696: SUSE Linux Security Advisory
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:P/A:N) | Jun 8, 2020 | Jun 8, 2020 | Oct 22, 2021 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:N)
Published
Jun 8, 2020
Added
Jun 8, 2020
Modified
Oct 22, 2021
Description
An issue was discovered in LinuxTV xawtv before 3.107. The function dev_open() in v4l-conf.c does not perform sufficient checks to prevent an unprivileged caller of the program from opening unintended filesystem paths. This allows a local attacker with access to the v4l-conf setuid-root program to test for the existence of arbitrary files and to trigger an open on arbitrary files with mode O_RDWR. To achieve this, relative path components need to be added to the device path, as demonstrated by a v4l-conf -c /dev/../root/.bash_history command.
Solutions
suse-upgrade-alevtdsuse-upgrade-motvsuse-upgrade-piasuse-upgrade-tv-commonsuse-upgrade-v4l-confsuse-upgrade-v4l-toolssuse-upgrade-xawtv
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