Gentoo FoundationGLSA-202011-02OpenDMARC: Heap-based buffer overflow
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.01 Low
EPSS
Percentile
83.4%
Background
OpenDMARC is an open source DMARC implementation.
Description
It was found that OpenDMARC did not properly handle DMARC aggregate reports.
Impact
A remote attacker, by sending a specially crafted DMARC aggregate report, could possibly cause a Denial of Service condition and depending on how OpenDMARC library is used in linked application execute arbitrary code with the privileges of the process.
Workaround
There is no known workaround at this time.
Resolution
All OpenDMARC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-filter/opendmarc-1.3.3"
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Gentoo | any | all | mail-filter/opendmarc | < 1.3.3 | UNKNOWN |
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.01 Low
EPSS
Percentile
83.4%