Buffer overflow in F5 nginx Ingress Controller
CVE-2022-41743
NGINX Plus before versions R27 P1 and R26 P1 have a vulnerability in the module ngx_http_hls_module that might allow a local attacker to corrupt NGINX worker memory, resulting in its crash or potential other impact using a specially crafted audio or video file. The issue affects only NGINX Plus when the hls directive is used in the configuration file. Further, the attack is possible only if an attacker can trigger processing of a specially crafted audio or video file with the module ngx_http_hls_module.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (12.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- F5 nginx Ingress Controller
- F5 nginx Plus — versions R27, R1
- F5 nginx Plus
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.f5.com/csp/article/K01112063 (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-41743?
- CVE-2022-41743 is a high-severity vulnerability in F5 nginx Ingress Controller, classified under Out-of-bounds Write. CVSS score: 7.0/10. Published 2022-10-19.
- How severe is CVE-2022-41743?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2022-41743 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.