Home/CVE/Go before 1.16.12 and 1.17.x before 1.17.5 on UNIX allows write operations to an unintended file or unintended network c
CVE

CVE-2021-44717

Go before 1.16.12 and 1.17.x before 1.17.5 on UNIX allows write operations to an unintended file or unintended network c

Go before 1.16.12 and 1.17.x before 1.17.5 on UNIX allows write operations to an unintended file or unintended network connection as a consequence of erroneous closing of file descriptor 0 after file-descriptor exhaustion.

MEDIUM · CVSS 4.8 EPSS 0.0022
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-404Improper Resource Shutdown or Release
▤

Affected Products & Versions

3
golang go< 1.16.12
golang go>= 1.17.0 and < 1.17.5
debian linuxall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go stdlib fixed in 1.16.12, 1.17.5
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumUnix Shell Configuration Modification
▣

Scoring & Timeline

4.8
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Jan 2022 · 05:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
⚑

Vendor Advisories

27
suse-csafopenSUSE-SU-2024:11671-1
suse-csafopenSUSE-SU-2024:11672-1
suse-csafopenSUSE-SU-2024:11947-1
siemens-csafSSA-744259
suse-csafopenSUSE-SU-2023:0018-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
https://groups.google.com/g/golang-announce/c/hcmEScgc00kPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00016.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00017.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html
https://security.gentoo.org/glsa/202208-02Third Party Advisory
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