Medium severity · published Mar 6, 2024
CVE-2024-2236
Libgcrypt: vulnerable to marvin attack
5.9
CVSS
1.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9.2 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9.4 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-2236
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-2236
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:9404
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:3530
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:3534
access.redhat.com
https://access.redhat.com/security/cve/CVE-2024-2236
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2245218
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2268268
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