Security readout for executives and security teams
Plain-English summary
A malicious Git repository can run code on a developer or build machine when cloned with recursive submodules using vulnerable Git versions. This matters because source code checkouts often happen on trusted workstations and CI systems with valuable credentials.
Executive priority
Treat this as a high-priority engineering hygiene issue for build and developer infrastructure. It enables code execution through a routine source checkout path, but the provided evidence does not confirm active exploitation.
Technical view
Vulnerable Git versions trust submodule names from .gitmodules and append them under $GIT_DIR/modules. A crafted name can cause directory traversal and lead to execution of a submodule post-checkout hook during recursive clone, bypassing Git's intended protection against remote-supplied hooks.
Likely exposure
Exposure is most likely on developer workstations, CI runners, build servers, and automation that use affected Git versions and clone repositories with recursive submodules, especially from untrusted or externally contributed sources.
Exploitation context
The CVE source bundle includes an Exploit-DB reference, so public exploit material exists. The bundle does not show CISA KEV listing or cited evidence of active exploitation in the wild.
Researcher notes
The key exposure condition is vulnerable Git plus recursive submodule processing of a crafted repository. Focus validation on clone workflows, CI defaults, build containers, and developer tooling rather than internet-facing services alone.
Mitigation direction
- Upgrade Git to the fixed version for each maintained release branch or vendor package.
- Prioritize CI runners, build hosts, and developer endpoints that clone external repositories.
- Avoid recursive submodule cloning from untrusted repositories until Git is patched.
- Follow Red Hat, Ubuntu, Debian, Gentoo, SUSE, or upstream Git guidance for platform-specific packages.
Validation and detection
- Inventory Git versions across developer endpoints, CI runners, and build images.
- Confirm versions are at least 2.13.7, 2.14.4, 2.15.2, 2.16.4, or 2.17.1 as applicable.
- Identify automation using recursive submodule cloning or submodule initialization.
- Review source intake workflows for untrusted repositories or external pull-request build jobs.
- Verify patched package versions against the relevant Linux distribution advisory.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-11235 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 44822CVE reference · exploit, x_refsource_EXPLOIT-DB
- RHSA-2018:2147CVE reference · vendor-advisory, x_refsource_REDHAT
- USN-3671-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://marc.info/?l=git&m=152761328506724&w=2CVE reference · x_refsource_MISC
- RHSA-2018:1957CVE reference · vendor-advisory, x_refsource_REDHAT
- GLSA-201805-13CVE reference · vendor-advisory, x_refsource_GENTOO
- https://blogs.msdn.microsoft.com/devops/2018/05/29/announcing-the-may-2018-git-security-vulnerability/CVE reference · x_refsource_MISC
- DSA-4212CVE reference · vendor-advisory, x_refsource_DEBIAN
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
