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CVE-2020-28016

Good to know:

Date: May 5, 2021

Exim 4 before 4.94.2 allows an off-by-two Out-of-bounds Write because "-F ''" is mishandled by parse_fix_phrase.

Language: C

Severity Score

7.8

Related Resources (6)

Url: https://security.alpinelinux.org/vuln/CVE-2020-28016

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-28016

Url: https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28016-PFPZA.txt

Url: https://security-tracker.debian.org/tracker/CVE-2020-28016

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-28016

Url: https://www.mend.io/vulnerability-database/CVE-2020-28016

Severity Score

7.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version exim-4.94.2

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.2
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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