Vulnerability · Published Aug 2, 2021 · Assigned by mitre
CVE-2021-33197
Medium 5.3
In plain English
A medium-severity security flaw in the buildah package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)2.3%top 16.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | buildah | 1:1.27.0-2.el9 | ALSA-2022:8008 |
| AlmaLinux:9 | buildah-tests | 1:1.27.0-2.el9 | ALSA-2022:8008 |
| AlmaLinux:8 | delve | 1.6.0-1.module_el8.5.0+2604+960c7771 | ALSA-2021:4156 |
| AlmaLinux:8 | grafana | 7.5.9-4.el8 | ALSA-2021:4226 |
| AlmaLinux:9 | podman | 2:4.2.0-3.el9 | ALSA-2022:7954 |
| AlmaLinux:9 | podman-docker | 2:4.2.0-3.el9 | ALSA-2022:7954 |
| AlmaLinux:9 | podman-gvproxy | 2:4.2.0-3.el9 | ALSA-2022:7954 |
| AlmaLinux:9 | podman-plugins | 2:4.2.0-3.el9 | ALSA-2022:7954 |
| AlmaLinux:9 | podman-remote | 2:4.2.0-3.el9 | ALSA-2022:7954 |
| AlmaLinux:9 | podman-tests | 2:4.2.0-3.el9 | ALSA-2022:7954 |
| Alpine:v3.20 | go | 1.16.5-r0 | ALPINE-CVE-2021-33197 |
| Alpine:v3.21 | go | 1.16.5-r0 | ALPINE-CVE-2021-33197 |
| Alpine:v3.22 | go | 1.16.5-r0 | ALPINE-CVE-2021-33197 |
| Alpine:v3.23 | go | 1.16.5-r0 | ALPINE-CVE-2021-33197 |
| Alpine:v3.24 | go | 1.16.5-r0 | ALPINE-CVE-2021-33197 |
| Go | stdlib | 1.15.13, 1.16.5 | GO-2021-0241 |
| Rocky Linux:8 | delve | 0:1.6.0-1.module+el8.5.0+694+f77f0bfd | RLSA-2021:4156 |
| Rocky Linux:8 | go-toolset | 0:1.16.7-1.module+el8.5.0+694+f77f0bfd | RLSA-2021:4156 |
| Rocky Linux:8 | golang | 0:1.16.7-1.module+el8.5.0+694+f77f0bfd | RLSA-2021:4156 |
| Rocky Linux:8 | grafana | 0:7.5.9-4.el8 | RLSA-2021:4226 |
Affected products (as reported)
References
- https://groups.google.com/g/golang-announce x_refsource_MISC
- https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI x_refsource_MISC
- GLSA-202208-02 vendor-advisory, x_refsource_GENTOO