CVE-2021-46828

CVSS V2 None CVSS V3 High 7.5

Description

In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.

Overview

CVE ID
CVE-2021-46828

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2022-07-20T06:15:07

Last Modified Date
2022-12-02T20:02:20

Weakness Enumerations

CWE	URL
CWE-770	http://cwe.mitre.org/data/definitions/770.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
cpe:2.3:a:libtirpc_project:libtirpc::::::::	1	OR	1.3.3
cpe:2.3:o:debian:debian_linux:10.0:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:11.0:::::::*	1	OR

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
http://git.linux-nfs.org/?p=steved/libtirpc.git;a=commit;h=86529758570cef4c73fb9b9c4104fdc510f701ed	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00004.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202210-33
https://security.netapp.com/advisory/ntap-20221007-0004/
https://www.debian.org/security/2022/dsa-5200	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-46828
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46828

History

Created	Old Value	New Value	Data Type	Notes
2022-07-20 07:00:09				Added to TrackCVE
2022-12-06 14:33:38		2022-12-02T20:02:20	CVE Modified Date	updated
2022-12-06 14:33:38	Undergoing Analysis	Analyzed	Vulnerability Status	updated