6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.9 Medium
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
64.9%
Issue Overview:
In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server. (CVE-2020-1934)
In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL. (CVE-2020-1927)
Affected Packages:
httpd
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update httpd to update your system.
New Packages:
aarch64:
httpd-2.4.43-1.amzn2.aarch64
httpd-devel-2.4.43-1.amzn2.aarch64
httpd-tools-2.4.43-1.amzn2.aarch64
mod_ssl-2.4.43-1.amzn2.aarch64
mod_md-2.4.43-1.amzn2.aarch64
mod_proxy_html-2.4.43-1.amzn2.aarch64
mod_ldap-2.4.43-1.amzn2.aarch64
mod_session-2.4.43-1.amzn2.aarch64
httpd-debuginfo-2.4.43-1.amzn2.aarch64
i686:
httpd-2.4.43-1.amzn2.i686
httpd-devel-2.4.43-1.amzn2.i686
httpd-tools-2.4.43-1.amzn2.i686
mod_ssl-2.4.43-1.amzn2.i686
mod_md-2.4.43-1.amzn2.i686
mod_proxy_html-2.4.43-1.amzn2.i686
mod_ldap-2.4.43-1.amzn2.i686
mod_session-2.4.43-1.amzn2.i686
httpd-debuginfo-2.4.43-1.amzn2.i686
noarch:
httpd-manual-2.4.43-1.amzn2.noarch
httpd-filesystem-2.4.43-1.amzn2.noarch
src:
httpd-2.4.43-1.amzn2.src
x86_64:
httpd-2.4.43-1.amzn2.x86_64
httpd-devel-2.4.43-1.amzn2.x86_64
httpd-tools-2.4.43-1.amzn2.x86_64
mod_ssl-2.4.43-1.amzn2.x86_64
mod_md-2.4.43-1.amzn2.x86_64
mod_proxy_html-2.4.43-1.amzn2.x86_64
mod_ldap-2.4.43-1.amzn2.x86_64
mod_session-2.4.43-1.amzn2.x86_64
httpd-debuginfo-2.4.43-1.amzn2.x86_64
Red Hat: CVE-2020-1927, CVE-2020-1934
Mitre: CVE-2020-1927, CVE-2020-1934
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | httpd | < 2.4.43-1.amzn2 | httpd-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | httpd-devel | < 2.4.43-1.amzn2 | httpd-devel-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | httpd-tools | < 2.4.43-1.amzn2 | httpd-tools-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | mod_ssl | < 2.4.43-1.amzn2 | mod_ssl-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | mod_md | < 2.4.43-1.amzn2 | mod_md-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | mod_proxy_html | < 2.4.43-1.amzn2 | mod_proxy_html-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | mod_ldap | < 2.4.43-1.amzn2 | mod_ldap-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | mod_session | < 2.4.43-1.amzn2 | mod_session-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | httpd-debuginfo | < 2.4.43-1.amzn2 | httpd-debuginfo-2.4.43-1.amzn2.aarch64.rpm |
Amazon Linux | 2 | i686 | httpd | < 2.4.43-1.amzn2 | httpd-2.4.43-1.amzn2.i686.rpm |
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.9 Medium
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.003 Low
EPSS
Percentile
64.9%