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CVE-2024-45312

Sept. 25, 2024, 6:37 p.m.

CVSS Score

5.3 / 10

Products Impacted

Vendor Product Versions
overleaf
  • overleaf
  • *

Description

Overleaf is a web-based collaborative LaTeX editor. Overleaf Community Edition and Server Pro prior to version 5.0.7 (or 4.2.7 for the 4.x series) contain a vulnerability that allows an arbitrary language parameter in client spelling requests to be passed to the `aspell` executable running on the server. This causes `aspell` to attempt to load a dictionary file with an arbitrary filename. File access is limited to the scope of the overleaf server. The problem is patched in versions 5.0.7 and 4.2.7. Previous versions can be upgraded using the Overleaf toolkit `bin/upgrade` command. Users unable to upgrade may block POST requests to `/spelling/check` via a Web Application Firewall will prevent access to the vulnerable spell check feature. However, upgrading is advised.

Weaknesses

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

CWE ID: 22
CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

CWE ID: 74

Date

Published: Sept. 2, 2024, 6:15 p.m.

Last Modified: Sept. 25, 2024, 6:37 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security-advisories@github.com

CPEs

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a overleaf overleaf / / / / community / / /
a overleaf overleaf / / server_pro / / / / /
a overleaf overleaf / / / / community / / /
a overleaf overleaf / / server_pro / / / / /

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

Base Score
5.3
Exploitability Score
3.9
Impact Score
1.4
Base Severity
MEDIUM
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://github.com/ security-advisories@github.com

https://github.com/ security-advisories@github.com

https://github.com/ security-advisories@github.com