Security readout for executives and security teams
Plain-English summary
A Go program that reads attacker-supplied gzip data could be crashed by a specially structured archive. The impact is service availability, not data theft or code execution based on the provided sources. Systems built with Go before 1.17.12 or 1.18.4 are the concern.
Executive priority
Treat as a high-priority availability risk for internet-facing or automated ingestion systems. It is not described as data compromise, but a crashable service can still create operational disruption.
Technical view
compress/gzip Reader.Read used uncontrolled recursion when processing concatenated zero-length compressed files. A gzip stream with many such members could exhaust the stack and panic. The flaw is tracked as CWE-674 and GO-2022-0524, fixed in Go 1.17.12 and 1.18.4.
Likely exposure
Exposure is most likely in Go services, APIs, file processors, or ingestion pipelines that accept untrusted gzip archives or compressed streams and were built with affected Go versions.
Exploitation context
The CVSS vector indicates remote, unauthenticated, low-complexity denial of service. The bundle does not show CISA KEV listing or other evidence of active exploitation, so exploitation should not be claimed as observed.
Researcher notes
Focus validation on reachability: vulnerable Go version plus attacker-controlled gzip input reaching compress/gzip.Reader.Read. The public sources identify stack exhaustion through recursive handling of many concatenated zero-length gzip members, with fixes landed in Go security releases.
Mitigation direction
- Upgrade Go toolchains to 1.17.12, 1.18.4, or later supported releases.
- Rebuild and redeploy affected Go binaries after upgrading the toolchain.
- Prioritize services that parse gzip data from users, partners, or the internet.
- Check Go vendor guidance and GO-2022-0524 records for affected-version details.
- Temporarily reduce exposure of untrusted gzip ingestion paths where patching is delayed.
Validation and detection
- Inventory deployed Go binaries and their build toolchain versions.
- Identify code paths using compress/gzip on untrusted archives or streams.
- Confirm rebuilt services use Go 1.17.12, 1.18.4, or later.
- Use vulnerability management results mapped to GO-2022-0524 where available.
- Run regression tests for gzip handling after rebuilding.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-674: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-30631 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://go.dev/cl/417067CVE reference
- https://go.googlesource.com/go/+/b2b8872c876201eac2d0707276c6999ff3eb185eCVE reference
- https://go.dev/issue/53168CVE reference
- https://groups.google.com/g/golang-announce/c/nqrv9fbR0zECVE reference
- https://pkg.go.dev/vuln/GO-2022-0524CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Recursion
Uncontrolled Recursion represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.