Bug 2241531 (CVE-2023-42117) - CVE-2023-42117 Exim: Improper Neutralization of Special Elements Remote Code Execution Vulnerability
Summary: CVE-2023-42117 Exim: Improper Neutralization of Special Elements Remote Code ...
Keywords:
Status: NEW
Alias: CVE-2023-42117
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2241532 2241533
Blocks: 2241518
TreeView+ depends on / blocked
 
Reported: 2023-09-30 17:52 UTC by Nick Tait
Modified: 2023-10-05 05:47 UTC (History)
0 users

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The vulnerability was found in Exim within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Authentication is not required to exploit this vulnerability.
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Comment 1 Nick Tait 2023-09-30 17:52:50 UTC
Created exim tracking bugs for this issue:

Affects: epel-all [bug 2241533]
Affects: fedora-all [bug 2241532]


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