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debianDebianDEBIAN:DLA-2384-1:87116
HistorySep 26, 2020 - 4:00 p.m.

[SECURITY] [DLA 2384-1] yaws security update

2020-09-2616:00:58
lists.debian.org
38

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 LTS Advisory DLA-2384-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
September 26, 2020 https://wiki.debian.org/LTS


Package : yaws
Version : 2.0.4+dfsg-1+deb9u1
CVE ID : CVE-2020-24379 CVE-2020-24916

Two issues have been found in yaws, a high performance HTTP 1.1 webserver
written in Erlang.

CVE-2020-24379
Reject external resource requests in DAV in order to avoid
XML External Entity (XXE) attackes.

CVE-2020-24916
Sanitize CGI executable in order to avoid command injection
via CGI requests.

For Debian 9 stretch, these problems have been fixed in version
2.0.4+dfsg-1+deb9u1.

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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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%