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
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.015 Low
EPSS
Percentile
86.9%
Debian Security Advisory DSA-4757-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
August 31, 2020 https://www.debian.org/security/faq
Package : apache2
CVE ID : CVE-2020-1927 CVE-2020-1934 CVE-2020-9490 CVE-2020-11984
CVE-2020-11993
Several vulnerabilities have been found in the Apache HTTPD server.
CVE-2020-1927
Fabrice Perez reported that certain mod_rewrite configurations are
prone to an open redirect.
CVE-2020-1934
Chamal De Silva discovered that the mod_proxy_ftp module uses
uninitialized memory when proxying to a malicious FTP backend.
CVE-2020-9490
Felix Wilhelm discovered that a specially crafted value for the
'Cache-Digest' header in a HTTP/2 request could cause a crash when
the server actually tries to HTTP/2 PUSH a resource afterwards.
CVE-2020-11984
Felix Wilhelm reported a buffer overflow flaw in the mod_proxy_uwsgi
module which could result in information disclosure or potentially
remote code execution.
CVE-2020-11993
Felix Wilhelm reported that when trace/debug was enabled for the
HTTP/2 module certain traffic edge patterns can cause logging
statements on the wrong connection, causing concurrent use of
memory pools.
For the stable distribution (buster), these problems have been fixed in
version 2.4.38-3+deb10u4.
We recommend that you upgrade your apache2 packages.
For the detailed security status of apache2 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/apache2
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]
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
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.015 Low
EPSS
Percentile
86.9%