Public vulnerability disclosure

CVE-2024-2236

Libgcrypt: vulnerable to marvin attack

publishedCWE-385

A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.

Technical severity5.9 mediumCVSS 3.1 · CNA: redhat
Published2024-03-06Source updated 2026-11-05
Collected2026-11-052 attributed sources

Fixes and workarounds

Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Source: CNA: redhat

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority


libgcrypt
https://git.gnupg.org/libgcrypt.git
≥ 0; < 9.4.0 (affected, semver)
Other versions: unaffected
CNA: redhat
Red Hat Enterprise Linux 9
Red Hat
libgcrypt
https://access.redhat.com/downloads/content/package-browser/
≥ 0:1.10.0-11.el9; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9.2 Extended Update Support
Red Hat
libgcrypt
https://access.redhat.com/downloads/content/package-browser/
≥ 0:1.10.0-10.el9_2.1; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 9.4 Extended Update Support
Red Hat
libgcrypt
https://access.redhat.com/downloads/content/package-browser/
≥ 0:1.10.0-10.el9_4.1; < * (unaffected, rpm)
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 10
Red Hat
libgcrypt
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unaffected
CNA: redhat
Red Hat Enterprise Linux 6
Red Hat
libgcrypt
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: unknown
CNA: redhat
Red Hat Enterprise Linux 7
Red Hat
libgcrypt
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
libgcrypt
https://access.redhat.com/downloads/content/package-browser/
Range not reported
Other versions: affected
CNA: redhat
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
Siemens
≥ V3.1.0; < V3.1.5 (affected, custom)
Other versions: unknown
ADP: siemens-SADP
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
Siemens
≥ V3.1.0; < V3.1.5 (affected, custom)
Other versions: unknown
ADP: siemens-SADP
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Siemens
≥ V3.1.0; < V3.1.5 (affected, custom)
Other versions: unknown
ADP: siemens-SADP

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 5.9
medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NCNA: redhat

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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