CVE-2021-4034 — Red Hat Polkit Out-of-Bounds Read and Write Vulnerability
CVE-2021-4034: Red Hat Polkit Out-of-Bounds Read and Write Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Red Hat |
| Product | Polkit |
| Date added | 2022-06-27 |
| Due date | 2022-07-18 |
| Ransomware campaign use | Known |
Description
The Red Hat polkit pkexec utility contains an out-of-bounds read and write vulnerability that allows for privilege escalation with administrative rights.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-4034
Weakness behind it
CISA records this vulnerability as an instance of CWE-787. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-4034
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
See all 1,745 pages under Vulnerabilities (CVE) →
Related pages
Browse by topic
Every page in the corpus, grouped. Search finds one page; this shows what else is here.