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GHSA-65ch-62r8-g69g
No affected components available
Summary
MITRE-Formatted CVE Description An Integer Overflow (CWE-190) vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft ASN.1 structures containing OIDs with oversized arcs. These arcs may be decoded as smaller, trusted OIDs due to 32-bit bitwise truncation, enabling the bypass of downstream OID-based security decisions.
Description
An ASN.1 OID Integer Truncation vulnerability exists in the node-forge asn1.derToOid function within forge/lib/asn1.js. OID components are decoded using JavaScript's bitwise left-shift operator (<<), which forcibly casts values to 32-bit signed integers. Consequently, if an attacker provides a mathematically unique, very large OID arc integer exceeding $2^{31}-1$, the value silently overflows and wraps around rather than throwing an error.
Impact
This vulnerability allows a specially crafted ASN.1 object to spoof an OID, where a malicious certificate with a massive, invalid OID is misinterpreted by the library as a trusted, standard OID, potentially bypassing security controls.
This vulnerability impacts the asn1.derToOid function in node-forge before patched version 1.3.2.
Any downstream application using this component is impacted. This component may be leveraged by downstream applications in ways that enables partial compromise of integrity, leading to potential availability and confidentiality compromises.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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