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Mageia 7 MGASA-2020-0468 Moderate: Golang Denial Of Service Threat

mageia
Calendar Grey December 21, 2020
Dist Mageia Esm H88
Investigate MGASA-2020-0468 regarding the golang-googlecode-net upgrade that mitigates severe denial of service vulnerabilities.
This code was vulnerable to ping floods, potentially leading to a denial of service

Summary

This code was vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both (CVE-2019-9512).
This code was vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RST_STREAM frames from the peer. Depending on how the peer queues the RST_STREAM frames, this can consume excess memory, CPU, or both (CVE-2019-9514).

References

- https://bugs.mageia.org/show_bug.cgi?id=27792

- https://lists.debian.org/debian-lts-announce/2020/12/msg00011.html

- https://www.cve.org/CVERecord?id=CVE-2019-9512

- https://www.cve.org/CVERecord?id=CVE-2019-9514

Resolution

SRPMS

- 7/core/golang-googlecode-net-0-0.3.mga7

Publication date: 21 Dec 2020
URL: https://advisories.mageia.org/MGASA-2020-0468.html
Type: security
CVE: CVE-2019-9512, CVE-2019-9514

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