Debian update for trafficserver



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2019-17559
CVE-2019-17565
CVE-2020-1944
CVE-2020-9481
CWE-ID CWE-444
CWE-399
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 4 vulnerabilities.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU26348

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/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-2019-17559

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to improper input validation in HTTP headers and scheme parsing. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.

Mitigation

Update trafficserver package to version 8.0.2+ds-1+deb10u2.

Vulnerable software versions

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

CPE2.3 External links

https://www.debian.org/security/2020/dsa-4672


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: #VU26349

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/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-2019-17565

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to improper input validation in HTTP headers and chunked encoding. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.

Mitigation

Update trafficserver package to version 8.0.2+ds-1+deb10u2.

Vulnerable software versions

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

CPE2.3 External links

https://www.debian.org/security/2020/dsa-4672


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: #VU26347

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/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-2020-1944

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attack.

The vulnerability exists due to improper input validation in HTTP headers and a Content-Length header. A remote attacker can send a specially crafted HTTP request and perform HTTP request smuggling attack.

Mitigation

Update trafficserver package to version 8.0.2+ds-1+deb10u2.

Vulnerable software versions

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

CPE2.3 External links

https://www.debian.org/security/2020/dsa-4672


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) Resource management error

EUVDB-ID: #VU27375

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-2020-9481

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to the affected software is vulnerable to a HTTP/2 slow read attack. A remote attacker can send HTTP requests in pieces slowly, one at a time to a Web server and cause a denial of service condtion on the target system.

Mitigation

Update trafficserver package to version 8.0.2+ds-1+deb10u2.

Vulnerable software versions

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

CPE2.3 External links

https://www.debian.org/security/2020/dsa-4672


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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