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GHSA-9rmp-2568-59rv
No affected components available
During a security audit, Radically Open Security discovered several reachable edge cases which allow an attacker to trigger rpgp crashes by providing crafted data.
Impact
When processing malformed input, rpgp can run into Rust panics which halt the program.
This can happen in the following scenarios:
- Parsing OpenPGP messages from binary or armor format
- Decrypting OpenPGP messages via
decrypt_with_password() - Parsing or converting public keys
- Parsing signed cleartext messages from armor format
- Using malformed private keys to sign or encrypt
Given the affected components, we consider most attack vectors to be reachable by remote attackers during typical use cases of the rpgp library. The attack complexity is low since the malformed messages are generic, short, and require no victim-specific knowledge.
The result is a denial-of-service impact via program termination. There is no impact to confidentiality or integrity security properties.
Versions and Patches
All recent versions are affected by at least some of the above mentioned issues.
The vulnerabilities have been fixed with version 0.14.1. We recommend all users to upgrade to this version.
References
The security audit was made possible by the NLnet Foundation NGI Zero Core grant program for rpgp.
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. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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