Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-5260 |
CWE-ID | CWE-522 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
Git Client/Desktop applications / Software for system administration |
Vendor | Git |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU27258
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-5260
CWE-ID:
CWE-522 - Insufficiently Protected Credentials
Exploit availability: Yes
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsGit: 2.17.0 - 2.26.0
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-04/msg00027.html
http://packetstormsecurity.com/files/157250/Git-Credential-Helper-Protocol-Newline-Injection.html
http://www.openwall.com/lists/oss-security/2020/04/15/5
http://www.openwall.com/lists/oss-security/2020/04/15/6
http://www.openwall.com/lists/oss-security/2020/04/20/1
http://github.com/git/git/commit/9a6bbee8006c24b46a85d29e7b38cfa79e9ab21b
http://github.com/git/git/security/advisories/GHSA-qm7j-c969-7j4q
http://lists.debian.org/debian-lts-announce/2020/04/msg00010.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XPCEOIFLLEF24L6GLVJVFZX4CREDEHDF/
http://lore.kernel.org/git/xmqqy2qy7xn8.fsf@gitster.c.googlers.com/
http://support.apple.com/kb/HT211141
http://www.debian.org/security/2020/dsa-4657
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.