Debian update for trafficserver



Risk Medium
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2021-37147
CVE-2021-37148
CVE-2021-37149
CVE-2021-38161
CVE-2021-44040
CVE-2021-44759
CWE-ID CWE-444
CWE-295
CWE-20
CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 trafficserver (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU58639

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-37147

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Update trafficserver package to one of the following versions: 8.0.2+ds-1+deb10u6, 8.1.1+ds-1.1+deb11u1.

Vulnerable software versions

trafficserver (Debian package): 8.0.2+ds-1+deb10u1 - 8.0.2+ds-1+deb10u5

CPE2.3 External links

https://www.debian.org/security/2022/dsa-5153


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

2) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU58641

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-37148

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Update trafficserver package to one of the following versions: 8.0.2+ds-1+deb10u6, 8.1.1+ds-1.1+deb11u1.

Vulnerable software versions

trafficserver (Debian package): 8.0.2+ds-1+deb10u1 - 8.0.2+ds-1+deb10u5

CPE2.3 External links

https://www.debian.org/security/2022/dsa-5153


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

3) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU58643

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-37149

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

Update trafficserver package to one of the following versions: 8.0.2+ds-1+deb10u6, 8.1.1+ds-1.1+deb11u1.

Vulnerable software versions

trafficserver (Debian package): 8.0.2+ds-1+deb10u1 - 8.0.2+ds-1+deb10u5

CPE2.3 External links

https://www.debian.org/security/2022/dsa-5153


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

4) Improper Certificate Validation

EUVDB-ID: #VU58652

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-38161

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper verification of TLS origin. A remote attacker can intercept and decrypt traffic from clients.

Mitigation

Update trafficserver package to one of the following versions: 8.0.2+ds-1+deb10u6, 8.1.1+ds-1.1+deb11u1.

Vulnerable software versions

trafficserver (Debian package): 8.0.2+ds-1+deb10u1 - 8.0.2+ds-1+deb10u5

CPE2.3 External links

https://www.debian.org/security/2022/dsa-5153


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

5) Input validation error

EUVDB-ID: #VU63858

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

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

Update trafficserver package to one of the following versions: 8.0.2+ds-1+deb10u6, 8.1.1+ds-1.1+deb11u1.

Vulnerable software versions

trafficserver (Debian package): 8.0.2+ds-1+deb10u1 - 8.0.2+ds-1+deb10u5

CPE2.3 External links

https://www.debian.org/security/2022/dsa-5153


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

6) Improper Authentication

EUVDB-ID: #VU63859

Risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

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

Update trafficserver package to one of the following versions: 8.0.2+ds-1+deb10u6, 8.1.1+ds-1.1+deb11u1.

Vulnerable software versions

trafficserver (Debian package): 8.0.2+ds-1+deb10u1 - 8.0.2+ds-1+deb10u5

CPE2.3 External links

https://www.debian.org/security/2022/dsa-5153


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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



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