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Debian Security Advisory DSA-4773-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
October 16, 2020                      https://www.debian.org/security/faq
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Package        : yaws
CVE ID         : CVE-2020-24379 CVE-2020-24916

Two vulnerabilities were discovered in yaws, a high performance HTTP 1.1
webserver written in Erlang.

CVE-2020-24379

    The WebDAV implementation is prone to a XML External Entity (XXE)
    injection vulnerability.

CVE-2020-24916

    The CGI implementation does not properly sanitize CGI requests
    allowing a remote attacker to execute arbitrary shell commands via
    specially crafted CGI executable names.

For the stable distribution (buster), these problems have been fixed in
version 2.0.6+dfsg-1+deb10u1.

We recommend that you upgrade your yaws packages.

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

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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