CVE-2021-40529
Vulnerability from cvelistv5
Published
2021-09-06 18:45
Modified
2024-08-04 02:44
Severity ?
Summary
The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.
References
cve@mitre.orghttps://eprint.iacr.org/2021/923Technical Description, Third Party Advisory
cve@mitre.orghttps://github.com/randombit/botan/pull/2790Patch, Third Party Advisory
cve@mitre.orghttps://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1Third Party Advisory
cve@mitre.orghttps://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2Exploit, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/72NB4OLD3VHJC3YF3PEP2HKF6BYURPAO/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPHGYWNJQKWLTUWBNSFB4F66MQDIL3IB/
cve@mitre.orghttps://security.gentoo.org/glsa/202208-14Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://eprint.iacr.org/2021/923Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/randombit/botan/pull/2790Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/72NB4OLD3VHJC3YF3PEP2HKF6BYURPAO/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UPHGYWNJQKWLTUWBNSFB4F66MQDIL3IB/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202208-14Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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