CVE-2020-28025
HIGH
7.5
CVSS Score
Published: May 6, 2021 at 04:36 AM UTC
Updated: June 17, 2026 at 03:10 AM UTC
1 product affected across 1 vendorExim
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
Description
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28025-BHASH.txtCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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