SB2021022615 - Resource management error in nodejs (Alpine package)
Published: February 26, 2021
Security Bulletin ID
SB2021022615
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2021-22883)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the application when processing multiple connection attempts with an 'unknownProtocol'. A remote attacker can initiate multiple connections with the server, which will trigger a leak of file descriptors and result in a denial of service (DoS) condition.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=7a9647537833ec55d8ea0d947873965e175eda9d
- https://git.alpinelinux.org/aports/commit/?id=b7f1df7d1931d59c3500ccfa15fc61c94c8a78f5
- https://git.alpinelinux.org/aports/commit/?id=12e2d4bc3143ec726d2977843944b870ec72b671
- https://git.alpinelinux.org/aports/commit/?id=8b10ecbd5f5904ce3ac3cdaa08a6e3736516b92b
- https://git.alpinelinux.org/aports/commit/?id=5bcf64ec3dbba3e15d08fcd817a7173a8c631cca
- https://git.alpinelinux.org/aports/commit/?id=90d22a24cc0fdbe8e7ce05109fbf3bf697f02021