High severity · published Oct 19, 2022
CVE-2022-41743
NGINX ngx_http_hls_module vulnerability CVE-2022-41743
7.0
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NP
NGINX Plus · F5
R27 before R27-p1; R1 before R26-p1 · source: vendor, NVD
NI
Nginx Ingress Controller · F5
1.9.0 through 1.12.4; 2.0.0 through 2.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-41743
Mitigation
https://support.f5.com/csp/article/K01112063
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