Resource exhaustion in nodejs (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-9516
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 nodejs (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU20198

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-9516

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 improper input validation when processing HTTP/2 requests within the ngx_http_v2_module module. A remote attacker can send a specially crafted HTTP/2 request the affected server, consume all available CPU resources and perform a denial of service (DoS) attack.

Successful exploitation of the vulnerability requires that support for HTTP/2 is enabled.

Mitigation

Install update from vendor's website.

Vulnerable software versions

nodejs (Alpine package): 10.16.0-r0 - 10.16.2-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=578c97338a5cc6615df123d2759ef349dbf88c2c
https://git.alpinelinux.org/aports/commit/?id=75cc679dead3d9b8aebb82a11c1f81a4eaaab853
https://git.alpinelinux.org/aports/commit/?id=7149c919df587e3f9125fdac8bc2ccd4952027e3
https://git.alpinelinux.org/aports/commit/?id=181112be362642a3beea5c67e21985f3364b7b23
https://git.alpinelinux.org/aports/commit/?id=6e8dc30ce258648d95eb57892b407d0ae7b72981
https://git.alpinelinux.org/aports/commit/?id=cbfc890c785c113b462f0cb5bbbe873503b00c9f
https://git.alpinelinux.org/aports/commit/?id=45003dac9059e38b73687135bba6c67874b992a2


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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