Remote Code Execution Vulnerability in Git Affects Multiple Versions
CVE-2018-11235

7.8HIGH

Key Information:

Vendor

Debian
Status
Debian Linux
Vendor
CVE Published:
30 May 2018

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 41%

What is CVE-2018-11235?

This vulnerability in Git allows attackers to execute arbitrary scripts on affected systems when a specially crafted .gitmodules file is processed during the 'git clone --recurse-submodules' operation. The attacker can manipulate the submodule 'names' via directory traversal techniques to append malicious scripts to the $GIT_DIR/modules path. This flaw ultimately leads to the execution of post-checkout hooks, which were designed to remain unattainable from remote repositories, thus circumventing the intended security measures.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-11235
Created by Rogdham

CVE-2018-11235-DEMO
Created by CHYbeta

CVE-2018-11235-Git-Submodule-CE
Created by qweraqq

References

https://www.exploit-db.com/exploits/44822/
exploitx_refsource_EXPLOIT-DB
https://access.redhat.com/errata/RHSA-2018:2147
vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/3671-1/
vendor-advisoryx_refsource_UBUNTU

EPSS Score

41% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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