Host file overwrite via archive symlink escape
Published Feb 8, 2024 · Updated Sep 26, 2024
Arbitrary file write in Nomad and Nomad Enterprise 1.5.13 through 1.6.6 and 1.7.3 allows remote authenticated users to overwrite host files. Artifact archive unpacking accepts symlinks that point outside the allocation directory, letting template destinations bypass client safety checks. A malicious or compromised task writes with the Nomad client user's permissions, typically root, affecting host integrity and availability.
Summary
What happened
Arbitrary file write in Nomad and Nomad Enterprise 1.5.13 through 1.6.6 and 1.7.3 allows remote authenticated users to overwrite host files. Artifact archive unpacking accepts symlinks that point outside the allocation directory, letting template destinations bypass client safety checks. A malicious or compromised task writes with the Nomad client user's permissions, typically root, affecting host integrity and availability.
The record
- CVE
- CVE-2024-1329
- Published
- Feb 8, 2024
- Updated
- Sep 26, 2024
- Vendor
- HashiCorp
- Product
- Nomad
- Classifications
- CWE-59, T1068
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 8, 2024CVE publishedPublication date reported by the CVE source.
- Sep 26, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=1.5.13
- Affected versionversion=0 <=1.6.6
- Affected versionversion=0 <=1.7.3
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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