Vulnerability · Published Jan 11, 2021 · Assigned by mitre
CVE-2021-3121
High 8.6
In plain English
A high-severity security flaw in the protobuf-c package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.6High
Exploit odds (30 days)3.4%top 11.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | protobuf-c | 1.3.2-r0 | ALPINE-CVE-2021-3121 |
| Alpine:v3.21 | protobuf-c | 1.3.2-r0 | ALPINE-CVE-2021-3121 |
| Alpine:v3.22 | protobuf-c | 1.3.2-r0 | ALPINE-CVE-2021-3121 |
| Alpine:v3.23 | protobuf-c | 1.3.2-r0 | ALPINE-CVE-2021-3121 |
| Alpine:v3.24 | protobuf-c | 1.3.2-r0 | ALPINE-CVE-2021-3121 |
| Debian:12 | golang-gogoprotobuf | 1.3.2-1 | DEBIAN-CVE-2021-3121 |
| Debian:13 | golang-gogoprotobuf | 1.3.2-1 | DEBIAN-CVE-2021-3121 |
| Debian:14 | golang-gogoprotobuf | 1.3.2-1 | DEBIAN-CVE-2021-3121 |
| Go | github.com/gogo/protobuf | 1.3.2 | GHSA-c3h9-896r-86jm |
| Go | github.com/gogo/protobuf | 1.3.2 | GO-2021-0053 |
| Ubuntu:22.04:LTS | golang-gogoprotobuf | 1.3.2-1 | UBUNTU-CVE-2021-3121 |
Affected products (as reported)
References
- https://github.com/gogo/protobuf/commit/b03c65ea87cdc3521ede29f62fe3ce239267c1bc x_refsource_MISC
- https://github.com/gogo/protobuf/compare/v1.3.1...v1.3.2 x_refsource_MISC
- [pulsar-commits] 20210121 [GitHub] [pulsar-client-go] hrsakai opened a new pull request #446: Upgrade gogo/protobuf to 1.3.2 mailing-list, x_refsource_MLIST
- [pulsar-commits] 20210122 [GitHub] [pulsar-client-go] hrsakai opened a new pull request #446: Upgrade gogo/protobuf to 1.3.2 mailing-list, x_refsource_MLIST
- https://security.netapp.com/advisory/ntap-20210219-0006/ x_refsource_CONFIRM
- https://discuss.hashicorp.com/t/hcsec-2021-23-consul-exposed-to-denial-of-service-in-gogo-protobuf-dependency/29025 x_refsource_MISC
- [skywalking-notifications] 20211018 [GitHub] [skywalking-swck] hanahmily opened a new pull request #37: Fix vulnerabilities mailing-list, x_refsource_MLIST