6.5

CVSS Score

Basic Information

CVE ID

CVE-2024-29893

GHSA ID

GHSA-jhwx-mhww-rgc3

EPSS Score

CWE

CWE-400

Published

3/29/2024

Updated

3/29/2024

KEV Status

Technology

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CVE-2024-29893

CVE-2024-29893:
ArgoCD's repo server has Uncontrolled Resource Consumption vulnerability

Impact

All versions of ArgoCD starting from v2.4 have a bug where the ArgoCD repo-server component is vulnerable to a Denial-of-Service attack vector. Specifically, it's possible to crash the repo server component through an out of memory error by pointing it to a malicious Helm registry. The loadRepoIndex() function in the ArgoCD's helm package, does not limit the size nor time while fetching the data. It fetches it and creates a byte slice from the retrieved data in one go. If the registry is implemented to push data continuously, the repo server will keep allocating memory until it runs out of it.

Patches

A patch for this vulnerability has been released in the following Argo CD versions:

v2.10.5 v2.9.10 v2.8.14

For more information

If you have any questions or comments about this advisory:

Open an issue in the Argo CD issue tracker or discussions Join us on Slack in channel #argo-cd

Credits

This vulnerability was found & reported by Jakub Ciolek

The Argo team would like to thank these contributors for their responsible disclosure and constructive communications during the resolve of this issue

(GitHub Advisory)

6.5

CVSS Score

Basic Information

CVE ID

CVE-2024-29893

GHSA ID

GHSA-jhwx-mhww-rgc3

EPSS Score

CWE

CWE-400

Published

3/29/2024

Updated

3/29/2024

KEV Status

Technology

Technical Details

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
github.com/argoproj/argo-cd/v2	go	>= 2.4.0, < 2.8.14	2.8.14
github.com/argoproj/argo-cd/v2	go	>= 2.9.0, < 2.9.10	2.9.10
github.com/argoproj/argo-cd/v2	go	>= 2.10.0, < 2.10.5	2.10.5

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from lack of size limits when loading Helm registry indexes. The pre-patch loadRepoIndex used io.ReadAll() on unbounded HTTP responses, while GetIndex triggered this vulnerable operation. The patch adds a maxIndexSize parameter and io.LimitReader to enforce limits. The functions' pre-patch behavior matches the vulnerability description of uncontrolled resource consumption through OOM attacks via malicious registries.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

### Imp**t *ll v*rsions o* *r*o** st*rtin* *rom v*.* **v* * *u* w**r* t** *r*o** r*po-s*rv*r *ompon*nt is vuln*r**l* to * **ni*l-o*-S*rvi** *tt**k v**tor. Sp**i*i**lly, it's possi*l* to *r*s* t** r*po s*rv*r *ompon*nt t*rou** *n out o* m*mory *rror

Reasoning

T** vuln*r**ility st*ms *rom l**k o* siz* limits w**n lo**in* **lm r**istry in**x*s. T** pr*-p*t** lo**R*poIn**x us** io.R****ll() on un*oun*** *TTP r*spons*s, w*il* **tIn**x tri***r** t*is vuln*r**l* op*r*tion. T** p*t** ***s * m*xIn**xSiz* p*r*m*t*

6.5

Basic Information

Concerned about an active attack path?

CVE-2024-29893: ArgoCD's repo server has Uncontrolled Resource Consumption vulnerability

Impact

Patches

For more information

Credits

6.5

Basic Information

Technical Details

Vulnerability IntelligenceMiggo AI

Root Cause Analysis

Vulnerable functions

WAF Protection Rules

WAF Rule

Reasoning

CVE-2024-29893:
ArgoCD's repo server has Uncontrolled Resource Consumption vulnerability

Vulnerability Intelligence
Miggo AI