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CVE-2022-3620

Date: October 20, 2022

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.

Language: C

Severity Score

Related Resources (8)

https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EIH4W5R7SHTUEQFWWKB4TUO5YFZX64KV/
https://security-tracker.debian.org/tracker/CVE-2022-3620
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XV2K2AWF62FSJ64B5CUZPFT4COK7P5PM/
https://nvd.nist.gov/vuln/detail/CVE-2022-3620
https://vuldb.com/?id.211919
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/667V3ADXQ2MHUJMSXA3VZZEWLVSCIBEU/
https://www.mend.io/vulnerability-database/CVE-2022-3620

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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