Multiple vulnerabilities in Apache Traffic Server



Published: 2022-05-31
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-44759
CVE-2021-44040
CWE-ID CWE-287
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Apache Traffic Server
Server applications / Web servers

Vendor Apache Foundation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU63859

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44759

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in TLS origin validation. A remote attacker can perform MitM attack and bypass authentication process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Traffic Server: 8.0.0 - 9.1.1

External links

http://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU63858

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44040

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation when processing requsts. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Traffic Server: 8.0.0 - 9.1.1

External links

http://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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