CVE-2024-6232
Regular-expression DoS when parsing TarFile headers
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Description
There is a MEDIUM severity vulnerability affecting CPython. Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/python/cpython/commit/34ddb64d088dd7ccc321f6103d23153256caa5d4
- https://github.com/python/cpython/commit/4eaf4891c12589e3c7bdad5f5b076e4c8392dd06
- https://github.com/python/cpython/commit/743acbe872485dc18df4d8ab2dc7895187f062c4
- https://github.com/python/cpython/commit/7d1f50cd92ff7e10a1c15a8f591dde8a6843a64d
- https://github.com/python/cpython/commit/b4225ca91547aa97ed3aca391614afbb255bc877
References (13)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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