CVE-2020-35471

Upstream information

CVE-2020-35471 at MITRE

Description

Envoy before 1.16.1 mishandles dropped and truncated datagrams, as demonstrated by a segmentation fault for a UDP packet size larger than 1500.

---

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	5
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Partial

CVSS v3 Scores

	National Vulnerability Database	SUSE
Base Score	7.5	7.5
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Network	Network
Attack Complexity	Low	Low
Privileges Required	None	None
User Interaction	None	None
Scope	Unchanged	Unchanged
Confidentiality Impact	None	None
Integrity Impact	None	None
Availability Impact	High	High
CVSSv3 Version	3.1	3.1

SUSE Bugzilla entry: 1180121 [RESOLVED / FIXED]

SUSE Security Advisories:

• SUSE-CU-2021:50-1, published Tue Feb 9 07:33:26 UTC 2021
• SUSE-CU-2021:51-1, published Tue Feb 9 07:34:00 UTC 2021
• SUSE-SU-2021:0335-1, published Mon Feb 8 14:26:58 UTC 2021
• openSUSE-SU-2022:0065-1, published Wed Mar 2 22:41:36 2022

List of released packages

Product(s)	Fixed package version(s)	References
SUSE CaaS Platform 4.5	caasp-release >= 4.5.3-1.13.1 skuba >= 2.1.13-3.15.7.2 skuba-update >= 2.1.13-3.15.7.2	Patchnames: SUSE-SUSE-CAASP-4.5-2021-335
SUSE Package Hub 15 SP3	envoy-proxy >= 1.14.6-bp153.3.4.1 envoy-proxy-source >= 1.14.6-bp153.3.4.1	Patchnames: openSUSE-2022-65
openSUSE Leap 15.3	envoy-proxy >= 1.14.6-bp153.3.4.1 envoy-proxy-source >= 1.14.6-bp153.3.4.1	Patchnames: openSUSE-2022-65

---

SUSE Timeline for this CVE

CVE page created: Tue Dec 15 10:12:46 2020
CVE page last modified: Fri Oct 13 21:05:02 2023