MGASA-2021-0018 - Updated golang packages fix security vulnerabilities

Publication date: 10 Jan 2021
URL: https://advisories.mageia.org/MGASA-2021-0018.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-28366,
     CVE-2020-28367

An input validation vulnerability was found in go. From a generated go file
(from the cgo tool) it is possible to modify symbols within that object file
and specify code instead. An attacker could potentially use this flaw by
creating a repository which included malicious pre-built object files that
could execute arbitrary code when downloaded and run via "go get" or "go build"
whilst building a go project (CVE-2020-28366).

An input validation vulnerability was found in go. If cgo is specified in a go
file, it is possible to bypass the validation of arguments to the gcc compiler.
An attacker could potentially use this flaw by creating a malicious repository
which would execute arbitrary code when downloaded and run via "go get" or 
"go build" whilst building a go project (CVE-2020-28367).

References:
- https://bugs.mageia.org/show_bug.cgi?id=27650
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/F3ZSHGNTJWCWYAKY5OLZS2XQQYHSXSUO/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28366
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28367

SRPMS:
- 7/core/golang-1.13.15-3.mga7

Mageia 2021-0018: golang security update

An input validation vulnerability was found in go

Summary

An input validation vulnerability was found in go. From a generated go file (from the cgo tool) it is possible to modify symbols within that object file and specify code instead. An attacker could potentially use this flaw by creating a repository which included malicious pre-built object files that could execute arbitrary code when downloaded and run via "go get" or "go build" whilst building a go project (CVE-2020-28366).
An input validation vulnerability was found in go. If cgo is specified in a go file, it is possible to bypass the validation of arguments to the gcc compiler. An attacker could potentially use this flaw by creating a malicious repository which would execute arbitrary code when downloaded and run via "go get" or "go build" whilst building a go project (CVE-2020-28367).

References

- https://bugs.mageia.org/show_bug.cgi?id=27650

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/F3ZSHGNTJWCWYAKY5OLZS2XQQYHSXSUO/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28366

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28367

Resolution

MGASA-2021-0018 - Updated golang packages fix security vulnerabilities

SRPMS

- 7/core/golang-1.13.15-3.mga7

Severity
Publication date: 10 Jan 2021
URL: https://advisories.mageia.org/MGASA-2021-0018.html
Type: security
CVE: CVE-2020-28366, CVE-2020-28367

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