CVE-2021-3939

Description

Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1.

Risk Information

Base Score

7.8

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

0.124

Associated Vulnerability

Vulnerability	OS Platform
query and manipulate user account information (USN-5149-1) accountsservice_0.6.55-0ubuntu13.3_amd64.deb	Linux
query and manipulate user account information (USN-5149-1) accountsservice_0.6.55-0ubuntu14.1_amd64.deb	Linux
query and manipulate user account information (USN-5149-1) accountsservice_0.6.55-0ubuntu12~20.04.5_amd64.deb	Linux
query and manipulate user account information (USN-5149-1) libaccountsservice0_0.6.55-0ubuntu13.3_amd64.deb	Linux
query and manipulate user account information (USN-5149-1) libaccountsservice0_0.6.55-0ubuntu14.1_amd64.deb	Linux
query and manipulate user account information (USN-5149-1) libaccountsservice0_0.6.55-0ubuntu12~20.04.5_amd64.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234