CVE-2021-20314 Common Vulnerabilities and Exposures

Upstream information

CVE-2021-20314 at MITRE

Description

Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores
	National Vulnerability Database
Base Score	9.8
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	High
Integrity Impact	High
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1189104 [RESOLVED / FIXED]

SUSE Security Advisories:

openSUSE-SU-2021:1187-1, published Wed Aug 25 12:41:47 2021

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP1	`libspf2-2 >= 1.2.10-bp151.7.1` `libspf2-devel >= 1.2.10-bp151.7.1` `libspf2-tools >= 1.2.10-bp151.7.1`	Patchnames: openSUSE-2021-1187
SUSE Package Hub 15 SP2	`libspf2-2 >= 1.2.10-bp152.8.1` `libspf2-devel >= 1.2.10-bp152.8.1` `libspf2-tools >= 1.2.10-bp152.8.1`	Patchnames: openSUSE-2021-1187
SUSE Package Hub 15 SP3	`libspf2-2 >= 1.2.10-bp153.5.1` `libspf2-devel >= 1.2.10-bp153.5.1` `libspf2-tools >= 1.2.10-bp153.5.1`	Patchnames: openSUSE-2021-1187
openSUSE Leap 15.2	`libspf2-2 >= 1.2.10-lp152.4.3.1` `libspf2-devel >= 1.2.10-lp152.4.3.1` `libspf2-tools >= 1.2.10-lp152.4.3.1`	Patchnames: openSUSE-2021-1187
openSUSE Leap 15.3	`libspf2-2 >= 1.2.10-bp153.5.1` `libspf2-devel >= 1.2.10-bp153.5.1` `libspf2-tools >= 1.2.10-bp153.5.1`	Patchnames: openSUSE-2021-1187
openSUSE Tumbleweed	`libspf2-2 >= 1.2.10-5.3` `libspf2-apidocs >= 1.2.10-5.3` `libspf2-devel >= 1.2.10-5.3` `libspf2-tools >= 1.2.10-5.3` `perl-Mail-SPF_XS >= 0.01-5.3`	Patchnames: openSUSE-Tumbleweed-2024-10995

SUSE Timeline for this CVE

CVE page created: Wed Aug 4 17:15:12 2021
CVE page last modified: Tue Sep 3 19:19:34 2024