Cryptographic issues in Crypto++ - CVE-2023-50979

Vulnerability identifier: #VU84652

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-50979

CWE-ID: CWE-310

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to decrypt information.

The vulnerability exists due to an error during decryption with PKCS#1 v1.5 padding. A remote attacker can perform Marvin side channel attack.

Crypto++
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
Basesystem Module
openSUSE Leap
libcryptopp-devel
libcryptopp8_6_0
libcryptopp-debugsource
libcryptopp8_6_0-debuginfo
libcryptopp8_6_0-32bit-debuginfo
libcryptopp8_6_0-32bit
libcryptopp8_6_0-64bit
libcryptopp8_6_0-64bit-debuginfo

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

libcryptopp-devel - update to 8.6.0-150400.3.12.1
libcryptopp8_6_0 - update to 8.6.0-150400.3.12.1
libcryptopp-debugsource - update to 8.6.0-150400.3.12.1
libcryptopp8_6_0-debuginfo - update to 8.6.0-150400.3.12.1
libcryptopp8_6_0-32bit-debuginfo - update to 8.6.0-150400.3.12.1
libcryptopp8_6_0-32bit - update to 8.6.0-150400.3.12.1
libcryptopp8_6_0-64bit - update to 8.6.0-150400.3.12.1
libcryptopp8_6_0-64bit-debuginfo - update to 8.6.0-150400.3.12.1

• https://github.com/weidai11/cryptopp/issues/1247

• Marvin side channel attack in Crypto++
• SUSE update for libcryptopp