CVE-2020-26312
CVSS V2 None
CVSS V3 None
Description
Dotmesh is a git-like command-line interface for capturing, organizing and sharing application states. In versions 0.8.1 and prior, the unsafe handling of symbolic links in an unpacking routine may
enable attackers to read and/or write to arbitrary locations outside the
designated target folder. The routine `untarFile` attempts to guard against creating symbolic links that point outside the directory a tar archive is extracted to. However, a malicious tarball first linking `subdir/parent` to `..` (allowed, because `subdir/..` falls within the archive root) and then linking `subdir/parent/escapes` to `..` results in a symbolic link pointing to the tarball’s parent directory, contrary to the routine’s goals. This issue may lead to arbitrary file write (with same permissions as the program running the unpack operation) if the attacker can control the archive file. Additionally, if the attacker has read access to the unpacked files, they may be able to read arbitrary system files the parent process has permissions to read. As of time of publication, no patch for this issue is available.
Overview
- CVE ID
- CVE-2020-26312
- Assigner
- GitHub_M
- Vulnerability Status
- PUBLISHED
- Published Version
- 2024-05-14T20:22:04.485Z
- Last Modified Date
- 2024-06-05T18:02:30.164Z
Weakness Enumerations
References
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-26312 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26312 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2024-06-24 14:33:50 | Added to TrackCVE |