7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.003 Low
EPSS
Percentile
69.4%
Issue Overview:
With a crafted URL that contains a newline in it, the credential helper machinery can be fooled to give credential information for a wrong host. The attack has been made impossible by forbidding a newline character in any value passed via the credential protocol. (CVE-2020-5260)
Affected Packages:
git
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 git to update your system.
New Packages:
aarch64:
git-2.23.1-1.amzn2.0.2.aarch64
git-core-2.23.1-1.amzn2.0.2.aarch64
git-daemon-2.23.1-1.amzn2.0.2.aarch64
git-subtree-2.23.1-1.amzn2.0.2.aarch64
git-debuginfo-2.23.1-1.amzn2.0.2.aarch64
i686:
git-2.23.1-1.amzn2.0.2.i686
git-core-2.23.1-1.amzn2.0.2.i686
git-daemon-2.23.1-1.amzn2.0.2.i686
git-subtree-2.23.1-1.amzn2.0.2.i686
git-debuginfo-2.23.1-1.amzn2.0.2.i686
noarch:
git-all-2.23.1-1.amzn2.0.2.noarch
git-core-doc-2.23.1-1.amzn2.0.2.noarch
git-cvs-2.23.1-1.amzn2.0.2.noarch
git-email-2.23.1-1.amzn2.0.2.noarch
gitk-2.23.1-1.amzn2.0.2.noarch
gitweb-2.23.1-1.amzn2.0.2.noarch
git-gui-2.23.1-1.amzn2.0.2.noarch
git-instaweb-2.23.1-1.amzn2.0.2.noarch
git-p4-2.23.1-1.amzn2.0.2.noarch
perl-Git-2.23.1-1.amzn2.0.2.noarch
perl-Git-SVN-2.23.1-1.amzn2.0.2.noarch
git-svn-2.23.1-1.amzn2.0.2.noarch
src:
git-2.23.1-1.amzn2.0.2.src
x86_64:
git-2.23.1-1.amzn2.0.2.x86_64
git-core-2.23.1-1.amzn2.0.2.x86_64
git-daemon-2.23.1-1.amzn2.0.2.x86_64
git-subtree-2.23.1-1.amzn2.0.2.x86_64
git-debuginfo-2.23.1-1.amzn2.0.2.x86_64
Red Hat: CVE-2020-5260
Mitre: CVE-2020-5260
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | git | < 2.23.1-1.amzn2.0.2 | git-2.23.1-1.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | git-core | < 2.23.1-1.amzn2.0.2 | git-core-2.23.1-1.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | git-daemon | < 2.23.1-1.amzn2.0.2 | git-daemon-2.23.1-1.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | git-subtree | < 2.23.1-1.amzn2.0.2 | git-subtree-2.23.1-1.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | git-debuginfo | < 2.23.1-1.amzn2.0.2 | git-debuginfo-2.23.1-1.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | i686 | git | < 2.23.1-1.amzn2.0.2 | git-2.23.1-1.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | git-core | < 2.23.1-1.amzn2.0.2 | git-core-2.23.1-1.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | git-daemon | < 2.23.1-1.amzn2.0.2 | git-daemon-2.23.1-1.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | git-subtree | < 2.23.1-1.amzn2.0.2 | git-subtree-2.23.1-1.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | git-debuginfo | < 2.23.1-1.amzn2.0.2 | git-debuginfo-2.23.1-1.amzn2.0.2.i686.rpm |
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.003 Low
EPSS
Percentile
69.4%