Note: This is a public test instance of Red Hat Bugzilla. The data contained within is a snapshot of the live data so any changes you make will not be reflected in the production Bugzilla. Email is disabled so feel free to test any aspect of the site that you want. File any problems you find or give feedback at bugzilla.redhat.com.
Bug 2136729 (CVE-2022-3620) - CVE-2022-3620 exim: UAF in dmarc_dns_lookup
Summary: CVE-2022-3620 exim: UAF in dmarc_dns_lookup
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2022-3620
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: 2136730 2136731
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-10-21 05:34 UTC by Sandipan Roy
Modified: 2022-11-30 12:57 UTC (History)
0 users

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-11-30 12:57:57 UTC
Embargoed:


Attachments (Terms of Use)

Description Sandipan Roy 2022-10-21 05:34:02 UTC
A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarc_dns_lookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211919.

https://vuldb.com/?id.211919
https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445

Comment 1 Sandipan Roy 2022-10-21 05:34:29 UTC
Created exim tracking bugs for this issue:

Affects: epel-all [bug 2136730]
Affects: fedora-all [bug 2136731]

Comment 2 Product Security DevOps Team 2022-11-30 12:57:55 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.


Note You need to log in before you can comment on or make changes to this bug.