CVE-2018-17456

Public Exploit

Description

Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive "git clone" of a superproject if a .gitmodules file has a URL field beginning with a '-' character.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 68.35% Top 5%
Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/45631/ third party advisory vdb entry exploit
http://www.securityfocus.com/bid/105523 third party advisory vdb entry
http://www.securitytracker.com/id/1041811 third party advisory vdb entry
https://www.debian.org/security/2018/dsa-4311 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:3505 third party advisory vendor advisory
https://github.com/git/git/commit/1a7fd1fb2998002da6e9ff2ee46e1bdd25ee8404 third party advisory patch
https://www.exploit-db.com/exploits/45548/ third party advisory vdb entry exploit
https://access.redhat.com/errata/RHSA-2018:3541 third party advisory vendor advisory
https://github.com/git/git/commit/a124133e1e6ab5c7a9fef6d0e6bcb084e3455b46 third party advisory patch
https://access.redhat.com/errata/RHSA-2018:3408 third party advisory vendor advisory
https://marc.info/?l=git&m=153875888916397&w=2 third party advisory
https://www.openwall.com/lists/oss-security/2018/10/06/3 third party advisory mailing list
https://usn.ubuntu.com/3791-1/ third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Mar/30 third party advisory mailing list
http://www.securityfocus.com/bid/107511 third party advisory vdb entry
http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html third party advisory vdb entry
https://access.redhat.com/errata/RHSA-2020:0316 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-17456?
CVE-2018-17456 has been scored as a critical severity vulnerability.
How to fix CVE-2018-17456?
To fix CVE-2018-17456, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-17456 being actively exploited in the wild?
It is possible that CVE-2018-17456 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~68% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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