Red Hat Polkit Incorrect Authorization Vulnerability
It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example,…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 3 / 5
- KEV catalog (CISA)12 May 2023
- Exploited in EUVD (ENISA)12 May 2023
- Used by ransomwareno
- EPSS above 10 %23.7%
- No account, over the networkno
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Affected products
- polkit 0.119
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 23.7%
References
Other exploited vulnerabilities from the same vendor
- CVE-2015-5287Red Hat Automatic Bug Reporting Tool Privilege Escalation Vulnerability4.5 · Actively exploited
- CVE-2015-3246Red Hat Libuser Race Condition Vulnerability4.4 · Actively exploited
- CVE-2018-14667Red Hat JBoss RichFaces Framework Expression Language Injection Vulnerability8.5 · Background exploitation
- CVE-2021-4034Red Hat Polkit Out-of-Bounds Read and Write Vulnerability8.4 · Background exploitation
- CVE-2010-1428Red Hat JBoss Information Disclosure Vulnerability6.9 · Background exploitation
- CVE-2010-0738Red Hat JBoss Authentication Bypass Vulnerability6.7 · Background exploitation