Bug 2144985 (CVE-2022-4087) - CVE-2022-4087 ipxe: Padding oracle attack vulnerability
Summary: CVE-2022-4087 ipxe: Padding oracle attack vulnerability
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2022-4087
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2144986 2145061 2145062
Blocks: 2144987
TreeView+ depends on / blocked
 
Reported: 2022-11-22 20:16 UTC by Pedro Sampaio
Modified: 2022-12-13 23:18 UTC (History)
4 users (show)

Fixed In Version:
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Doc Text:
A vulnerability was found in ipxe. This issue affects the tls_new_ciphertext function in the src/net/tls.c file of the TLS component. The manipulation of the pad_len argument leads to information exposure due to discrepancy.
Clone Of:
Environment:
Last Closed: 2022-12-13 23:18:33 UTC
Embargoed:

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Description Pedro Sampaio 2022-11-22 20:16:45 UTC 
A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy.

Upstream patch:

https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729
Comment 1 Pedro Sampaio 2022-11-22 20:17:02 UTC 
Created ipxe tracking bugs for this issue:

Affects: fedora-all [bug 2144986]
Comment 3 Product Security DevOps Team 2022-12-13 23:18:31 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-4087
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