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CVE-2020-28010

Good to know:

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Date: May 5, 2021

Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small (on some common platforms).

Language: C

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2020-28010
http://www.openwall.com/lists/oss-security/2021/07/22/7
https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28010-SLCWD.txt
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-28010
https://security-tracker.debian.org/tracker/CVE-2020-28010
https://security.alpinelinux.org/vuln/CVE-2020-28010
https://www.mend.io/vulnerability-database/CVE-2020-28010

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

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CVSS v3.1

Base Score:
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:
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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