MGASA-2021-0468 - Updated libcryptopp packages fix security vulnerability

Publication date: 06 Oct 2021
URL: https://advisories.mageia.org/MGASA-2021-0468.html
Type: security
Affected Mageia releases: 8
CVE: CVE-2021-40530

The ElGamal implementation in Crypto++ through 8.5 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.
(CVE-2021-40530)

References:
- https://bugs.mageia.org/show_bug.cgi?id=29529
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/HGVBZ2TTRKCTYAZTRHTF6OBD4W37F5MT/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40530

SRPMS:
- 8/core/libcryptopp-8.2.0-2.1.mga8

Mageia 2021-0468: libcryptopp security update

The ElGamal implementation in Crypto++ through 8.5 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the...

Summary

The ElGamal implementation in Crypto++ through 8.5 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. (CVE-2021-40530)

References

- https://bugs.mageia.org/show_bug.cgi?id=29529

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/HGVBZ2TTRKCTYAZTRHTF6OBD4W37F5MT/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40530

Resolution

MGASA-2021-0468 - Updated libcryptopp packages fix security vulnerability

SRPMS

- 8/core/libcryptopp-8.2.0-2.1.mga8

Severity
Publication date: 06 Oct 2021
URL: https://advisories.mageia.org/MGASA-2021-0468.html
Type: security
CVE: CVE-2021-40530

Related News

23.Tablet Connections Esm H320
2 - 3 min read
The release of Ubuntu 24.04 LTS , also known as Noble Numbat, brings various security enhancements and exciting new features . These improvements
4.Lock AbstractDigital Esm H320
2 - 3 min read
Tails 6.2 is a new Linux distribution release that expands its multilingual support and improves security features. The distribution is a
19.Laptop Bed Esm H320
2 - 3 min read
AlmaLinux 9.4 beta has been released and provides compelling reasons to consider it for desktop usage. While AlmaLinux is primarily known as a
32.Lock Code Circular Esm H320
2 - 3 min read
Linux admins and security practitioners face significant challenges in keeping their Linux systems secure amidst the constant threat of kernel bugs.
1.Penguin Landscape Esm H320
2 - 3 min read
A significant security threat, known as the Spectre v2 exploit, has been observed targeting Linux systems running on modern Intel processors. Let's
10.FingerPrint Locks Esm H320
2 - 3 min read
The recent release of I2P 2.5.0 , an anonymous P2P network that protects against online censorship, surveillance, and monitoring, has brought a slew
24.Key Code Esm H320
2 - 3 min read
The Akira ransomware group has extorted approximately $42 million from over 250 victims since January 1, 2024. The group initially focused on
5.ShakingHands Esm H320
2 - 3 min read
At The Linux Foundation's Open Source Summit North America , Linus Torvalds, the creator of Linux, discussed various topics related to Linux
Sign Up

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved