PT-2021-5652 · Apache · Apache Traffic Server

Asbjorn Bjornstad · Published 2021-11-03 · Updated 2021-11-19 · CVE-2021-41585

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Apache Traffic Server versions 5.0.0 through 9.1.0

Description The issue is related to improper input validation in accepting socket connections, allowing an attacker to make the server stop accepting new connections. This can be exploited by a remote attacker to cause a denial of service.

Recommendations For Apache Traffic Server versions 5.0.0 through 9.1.0, update to a version that includes the fix for this issue to prevent the server from stopping to accept new connections. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2022-00090

CVE-2021-41585

OESA-2021-1437

Affected Products

Apache Traffic Server

References · 18

• https://nvd.nist.gov/vuln/detail/CVE-2021-41585 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-43082 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-41585 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37149 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-41585 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41585 · Vendor Advisory
• https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00090 · Security Note
• https://osv.dev/vulnerability/OESA-2021-1437 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-41585 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37147 · Security Note
• https://github.com/apache/trafficserver/commit/268b540edae0b3e51d033795a4dd7404a5756a93 · Note
• https://github.com/apache/trafficserver/commit/2b078741ecf14cbc7f5773b3e14ef0c1d3cf4cfb · Note
• https://github.com/apache/trafficserver/pull/8456 · Note
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1437 · Note