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CVE-2021-23017
Published: Jun 1, 2021
Modified: Aug 3, 2024
PUBLISHED
Description
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
| Vendor | Product | Versions |
|---|---|---|
n/a | Nginx Web Server, Nginx Plus | affected Nginx Web Server versions 0.6.18 thru 1.20.0 before 1.20.1, Nginx plus versions R13 thru R23 before R23 P1. Nginx plus version R24 before R24 P1 |
Weaknesses (CWE)
References
https://support.f5.com/csp/article/K12331123%2C
x_refsource_MISC
FEDORA-2021-b37cffac0d
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-393d698493
vendor-advisory
x_refsource_FEDORA
https://www.oracle.com/security-alerts/cpuoct2021.html
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210708-0006/
x_refsource_CONFIRM
https://www.oracle.com/security-alerts/cpujan2022.html
x_refsource_MISC
https://www.oracle.com/security-alerts/cpuapr2022.html
x_refsource_MISC
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