Debian update for trafficserver



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-9494
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Debian Linux
Operating systems & Components / Operating system

trafficserver (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU29356

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-2020-9494

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when processing HTTP/2 HEADERS frames. A remote attacker can send specially crafted HTTP/2 requests to the server, trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update trafficserver package to version 8.0.2+ds-1+deb10u3.

Vulnerable software versions

Debian Linux: All versions

trafficserver (Debian package): before 8.0.2+ds-1+deb10u3

CPE2.3 External links

https://www.debian.org/security/2020/dsa-4710


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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