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debianDebianDEBIAN:DSA-4773-1:C813B
HistoryOct 16, 2020 - 9:55 p.m.

[SECURITY] [DSA 4773-1] yaws security update

2020-10-1621:55:11
lists.debian.org
37

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.614 Medium

EPSS

Percentile

97.8%


Debian Security Advisory DSA-4773-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
October 16, 2020 https://www.debian.org/security/faq


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: [email protected]

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

0.614 Medium

EPSS

Percentile

97.8%