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osvGoogleOSV:USN-5741-1
HistoryNov 24, 2022 - 2:02 p.m.

exim4 vulnerability

2022-11-2414:02:15
Google
osv.dev
2
exim4
regular expressions
denial of service
code execution
software

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.8 High

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

80.3%

It was discovered that Exim incorrectly handled certain regular
expressions. An attacker could use this issue to cause Exim to crash,
resulting in a denial of service, or possibly execute arbitrary code.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.8 High

AI Score

Confidence

High

0.007 Low

EPSS

Percentile

80.3%