Debian 10: DLA-3203-1 Moderate: Nginx Denial Of Service Risk

debian lts

November 22, 2022

It was discovered that parsing errors in the mp4 module of Nginx, a high-performance web and reverse proxy server, could result in denial of service, memory disclosure or potential...

Topics Covered

security advisory denial of service software update Debian memory disclosure Nginx parsing error

Summary

In addition the following vulnerability has been fixed.

CVE-2021-3618

ALPACA is an application layer protocol content confusion attack,
exploiting TLS servers implementing different protocols but using
compatible certificates, such as multi-domain or wildcard certificates.
A MiTM attacker having access to victim's traffic at the TCP/IP layer can
redirect traffic from one subdomain to another, resulting in a valid TLS
session. This breaks the authentication of TLS and cross-protocol attacks
may be possible where the behavior of one protocol service may compromise

For Debian 10 buster, these problems have been fixed in version
1.14.2-2+deb10u5.

We recommend that you upgrade your nginx packages.

For the detailed security status of nginx please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/nginx

Further information about Debian LTS security advisories, how to apply