CVE-2020-15586 Race condition in n/a
A data race in Go's net/http ReverseProxy allows concurrent body reading and response writing, potentially causing crashes or data leaks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-15586?
CVE-2020-15586 is a medium-severity vulnerability in Debian Debian Linux, published on 17 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler, because it reads a request body and writes a response at the same time.
Weakness: CWE-362
Which versions are affected by CVE-2020-15586?
2 open source packages ship an affected version, including golang and stdlib. It affects 6 products.
| Package | Affected | Fixed in |
|---|---|---|
golang Bitnami | All versions | 1.13.13, 1.14.5 |
stdlib Go | All versions | 1.13.13, 1.14.5 |
Products include Cloudfoundry Cf-Deployment, Cloudfoundry Routing-Release, Debian Debian Linux, Fedoraproject Fedora, Golang Go, Opensuse Leap.
How do I fix CVE-2020-15586?
Upgrade golang to a fixed version for your release line: 1.13.13 or 1.14.5.
Is CVE-2020-15586 being exploited?
There is no known exploitation of CVE-2020-15586 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
- CVE-2022-31733 Auth bypass in Cloud Foundry Diego and CF Deployment
- CVE-2020-5402 UAA fails to check the state parameter when authenticating with external IDPs
- CVE-2019-11293 UAA logs all query parameters with debug logging level
- CVE-2019-11290 Cloud Foundry UAA logs query parameters in tomcat access file
- CVE-2019-11283 Password leak in smbdriver logs
Sources
Also known as AZL-38206, AZL-79042, AZL-98934, BIT-golang-2020-15586, DEBIAN-CVE-2020-15586, GHSA-9rmg-8r3f-xrq7 and 2 more.