openEuler 20.03 LTS update for git

Published: 2020-06-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-5260 CVE-2020-11008
CWE-ID	CWE-522
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software	openEuler Operating systems & Components / Operating system perl-Git-SVN Operating systems & Components / Operating system package or component perl-Git Operating systems & Components / Operating system package or component gitk Operating systems & Components / Operating system package or component git-web Operating systems & Components / Operating system package or component git-svn Operating systems & Components / Operating system package or component git-help Operating systems & Components / Operating system package or component git-gui Operating systems & Components / Operating system package or component git-email Operating systems & Components / Operating system package or component git-debugsource Operating systems & Components / Operating system package or component git-debuginfo Operating systems & Components / Operating system package or component git-daemon Operating systems & Components / Operating system package or component git Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Insufficiently protected credentials

EUVDB-ID: #VU27258

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2020-5260

CWE-ID: CWE-522 - Insufficiently Protected Credentials

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to the Git can be tricked into sending private credentials to a host controlled by an attacker. A remote attacker can send a specially crafted URL to "git clone" that will present stored credentials for any host to a host of their choosing.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS

perl-Git-SVN: before 2.23.0-16

perl-Git: before 2.23.0-16

gitk: before 2.23.0-16

git-web: before 2.23.0-16

git-svn: before 2.23.0-16

git-help: before 2.23.0-16

git-gui: before 2.23.0-16

git-email: before 2.23.0-16

git-debugsource: before 2.23.0-16

git-debuginfo: before 2.23.0-16

git-daemon: before 2.23.0-16

git: before 2.23.0-16

CPE2.3

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2020-1035

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Insufficiently Protected Credentials

EUVDB-ID: #VU27257

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-11008