Medium severity · published Feb 28, 2024
CVE-2023-6917
Pcp: unsafe use of directories allows pcp to root privilege escalation
6.7
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability has been identified in the Performance Co-Pilot (PCP) package, stemming from the mixed privilege levels utilized by systemd services associated with PCP. While certain services operate within the confines of limited PCP user/group privileges, others are granted full root privileges. This disparity in privilege levels poses a risk when privileged root processes interact with directories or directory trees owned by unprivileged PCP users. Specifically, this vulnerability may lead to the compromise of PCP user isolation and facilitate local PCP-to-root exploits, particularly through symlink attacks. These vulnerabilities underscore the importance of maintaining robust privilege separation mechanisms within PCP to mitigate the potential for unauthorized privilege escalation.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
EL
Enterprise Linux · Redhat
9.0 · source: NVD
PC
Performance Co-pilot · Sgi
before 6.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6917
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6917
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:2213
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-6917
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2254983
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