How severe is GHSA-77hg-g8cc-5r37?

No CVSS score has been assigned to GHSA-77hg-g8cc-5r37 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-77hg-g8cc-5r37?

GHSA-77hg-g8cc-5r37 affects the following packages: puppet (RubyGems), puppet (RubyGems). Ecosystems affected: RubyGems.

How do I fix GHSA-77hg-g8cc-5r37?

Update puppet to 2.6.14 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-77hg-g8cc-5r37 is resolved across your whole dependency graph.

How do I detect GHSA-77hg-g8cc-5r37 in my RubyGems dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for puppet, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate GHSA-77hg-g8cc-5r37 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

How does O3 Security protect against GHSA-77hg-g8cc-5r37?

O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-77hg-g8cc-5r37 can be triaged on real exposure rather than presence alone.

Is GHSA-77hg-g8cc-5r37 actively exploited in the wild?

No public exploit code has been indexed for GHSA-77hg-g8cc-5r37 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for GHSA-77hg-g8cc-5r37?

GHSA-77hg-g8cc-5r37 has an EPSS (Exploit Prediction Scoring System) score of 0.4%, placing it in the 32th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is GHSA-77hg-g8cc-5r37?

GHSA-77hg-g8cc-5r37 is classified as CWE-264 (CWE-264). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was GHSA-77hg-g8cc-5r37 published, and has it been updated?

GHSA-77hg-g8cc-5r37 was published on May 14, 2022 and was last updated on November 28, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

GHSA-77hg-g8cc-5r37: puppet

EPSS Exploitation Probability

via FIRST.org ↗

0.4%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs32th percentile — riskier than 32% of all scored CVEsHighest risk

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Real-World Exposure

2 pkgs affected

💎puppet💎puppet

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects RubyGems packages — download data is not available via public APIs for these ecosystems.

Description

The change_user method in the SUIDManager (lib/puppet/util/suidmanager.rb) in Puppet 2.6.x before 2.6.14 and 2.7.x before 2.7.11, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x before 2.0.3 does not properly manage group privileges, which allows local users to gain privileges via vectors related to (1) the change_user not dropping supplementary groups in certain conditions, (2) changes to the eguid without associated changes to the egid, or (3) the addition of the real gid to supplementary groups.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
💎RubyGems	`puppet`	≥ 2.6&&< 2.6.14	2.6.14`bundle update puppet --conservative`
💎RubyGems	`puppet`	≥ 2.7&&< 2.7.11	2.7.11`bundle update puppet --conservative`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for puppet, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update puppet to 2.6.14 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-77hg-g8cc-5r37 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-77hg-g8cc-5r37 can be triaged on real exposure rather than presence alone.

Tailored to GHSA-77hg-g8cc-5r37. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

The change_user method in the SUIDManager (lib/puppet/util/suidmanager.rb) in Puppet 2.6.x before 2.6.14 and 2.7.x before 2.7.11, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x before 2.0.3 does not properly manage group privileges, which allows local users to gain privileges via vectors related to (1) the change_user not dropping supplementary groups in certain conditions, (2) changes to the eguid without associated changes to the egid, or (3) the addition of the real gid to supplementary groups.

O3 Security · Impact-Aware SCA

Is GHSA-77hg-g8cc-5r37 in your dependencies?

O3 Security finds GHSA-77hg-g8cc-5r37 across RubyGems dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

Scan my dependencies How O3 SCA works

GHSA-77hg-g8cc-5r37 — puppet