Bug 2245218 (CVE-2024-2236) - CVE-2024-2236 libgcrypt: vulnerable to Marvin Attack
Summary: CVE-2024-2236 libgcrypt: vulnerable to Marvin Attack
Keywords:
Status: NEW
Alias: CVE-2024-2236
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
: 2268268 (view as bug list)
Depends On: 2274128 2274129
Blocks: 2245213
TreeView+ depends on / blocked
 
Reported: 2023-10-20 07:00 UTC by Dhananjay Arunesh
Modified: 2024-08-07 08:18 UTC (History)
26 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
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.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Dhananjay Arunesh 2023-10-20 07:00:57 UTC 
Libgcrypt is vulnerable to the Marvin attack.
Comment 8 Robb Gatica 2024-03-08 00:42:53 UTC 
*** Bug 2268268 has been marked as a duplicate of this bug. ***
Comment 12 Dhananjay Arunesh 2024-04-09 09:41:17 UTC 
Created libgcrypt tracking bugs for this issue:

Affects: fedora-all [bug 2274128]


Created mingw-libgcrypt tracking bugs for this issue:

Affects: fedora-all [bug 2274129]
Comment 18 Jakub Jelen 2024-08-07 08:18:35 UTC 
Hi,
adding a summary of this CVE and links that need to be updated to the CVE listing:

 * The upstream issue tracking this vulnerability: https://dev.gnupg.org/T7136
 * The patches fixing this are available in our gitlab mirror: https://gitlab.com/redhat-crypto/libgcrypt/libgcrypt-mirror/-/merge_requests/19
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