Search criteria
5 vulnerabilities by trailofbits
CVE-2025-67748 (GCVE-0-2025-67748)
Vulnerability from cvelistv5 – Published: 2025-12-16 00:39 – Updated: 2025-12-16 21:12
VLAI?
Title
Fickling has Code Injection vulnerability via pty.spawn()
Summary
Fickling is a Python pickling decompiler and static analyzer. Versions prior to 0.1.6 had a bypass caused by `pty` missing from the block list of unsafe module imports. This led to unsafe pickles based on `pty.spawn()` being incorrectly flagged as `LIKELY_SAFE`, and was fixed in version 0.1.6. This impacted any user or system that used Fickling to vet pickle files for security issues.
Severity ?
CWE
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| trailofbits | fickling |
Affected:
< 0.1.6
|
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CVE-2025-67747 (GCVE-0-2025-67747)
Vulnerability from cvelistv5 – Published: 2025-12-16 00:32 – Updated: 2025-12-16 20:05
VLAI?
Title
Fickling has missing detection for marshal.loads and types.FunctionType in unsafe modules list
Summary
Fickling is a Python pickling decompiler and static analyzer. Versions prior to 0.1.6 are missing `marshal` and `types` from the block list of unsafe module imports. Fickling started blocking both modules to address this issue. This allows an attacker to craft a malicious pickle file that can bypass fickling since it misses detections for `types.FunctionType` and `marshal.loads`. A user who deserializes such a file, believing it to be safe, would inadvertently execute arbitrary code on their system. This impacts any user or system that uses Fickling to vet pickle files for security issues. The issue was fixed in version 0.1.6.
Severity ?
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| trailofbits | fickling |
Affected:
< 0.1.6
|
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CVE-2025-52556 (GCVE-0-2025-52556)
Vulnerability from cvelistv5 – Published: 2025-06-21 01:33 – Updated: 2025-06-23 15:13
VLAI?
Title
rfc3161-client has insufficient verification for timestamp response signatures
Summary
rfc3161-client is a Python library implementing the Time-Stamp Protocol (TSP) described in RFC 3161. Prior to version 1.0.3, there is a flaw in the timestamp response signature verification logic. In particular, chain verification is performed against the TSR's embedded certificates up to the trusted root(s), but fails to verify the TSR's own signature against the timestamping leaf certificates. Consequently, vulnerable versions perform insufficient signature validation to properly consider a TSR verified, as the attacker can introduce any TSR signature so long as the embedded leaf chains up to some root TSA. This issue has been patched in version 1.0.3. There is no workaround for this issue.
Severity ?
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| trailofbits | rfc3161-client |
Affected:
< 1.0.3
|
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CVE-2023-39969 (GCVE-0-2023-39969)
Vulnerability from cvelistv5 – Published: 2023-08-09 15:34 – Updated: 2024-10-03 15:15
VLAI?
Title
uthenticode signature validation bypass vulnerability
Summary
uthenticode is a small cross-platform library for partially verifying Authenticode digital signatures. Version 1.0.9 of uthenticode hashed the entire file rather than hashing sections by virtual address, in violation of the Authenticode specification. As a result, an attacker could modify code within a binary without changing its Authenticode hash, making it appear valid from uthenticode's perspective. Versions of uthenticode prior to 1.0.9 are not vulnerable to this attack, nor are versions in the 2.x series. By design, uthenticode does not perform full-chain validation. However, the malleability of signature verification introduced in 1.0.9 was an unintended oversight. The 2.x series addresses the vulnerability. Versions prior to 1.0.9 are also not vulnerable, but users are encouraged to upgrade rather than downgrade. There are no workarounds to this vulnerability.
Severity ?
9.1 (Critical)
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| trailofbits | uthenticode |
Affected:
= 1.0.9
|
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CVE-2023-40012 (GCVE-0-2023-40012)
Vulnerability from cvelistv5 – Published: 2023-08-09 15:33 – Updated: 2024-10-03 15:15
VLAI?
Title
uthenticode EKU validation bypass
Summary
uthenticode is a small cross-platform library for partially verifying Authenticode digital signatures. Versions of uthenticode prior to the 2.x series did not check Extended Key Usages in certificates, in violation of the Authenticode X.509 certificate profile. As a result, a malicious user could produce a "signed" PE file that uthenticode would verify and consider valid using an X.509 certificate that isn't entitled to produce code signatures (e.g., a SSL certificate). By design, uthenticode does not perform full-chain validation. However, the absence of EKU validation was an unintended oversight. The 2.0.0 release series includes EKU checks. There are no workarounds to this vulnerability.
Severity ?
5.9 (Medium)
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| trailofbits | uthenticode |
Affected:
< 2.0.0
|
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