PT-2017-17808 · None · Back In Time

Published 2017-04-06 · Updated 2017-04-12 · CVE-2017-7572

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Back In Time versions 1.1.18 and earlier

Description The issue concerns a race condition in the authorization method used by the checkPolkitPrivilege function. This function utilizes a deprecated polkit authorization method, which is susceptible to a time of check, time of use issue. The polkitd checks the owner of a process requesting a polkit operation via /proc//status. However, by the time this check is performed, the requesting process may have been replaced by a different process with the same PID but different privileges.

Recommendations For Back In Time versions 1.1.18 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2017-7572

OPENSUSE-SU-2024:10647-1

Affected Products

Back In Time

References · 8

• https://cve.org/CVERecord?id=CVE-2017-7572 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-7572 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-7572 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7572 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-7572 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-7572 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-7572 · Vendor Advisory
• https://github.com/bit-team/backintime/commit/7f208dc547f569b689c888103e3b593a48cd1869 · Note