What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-03-02 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• openSUSE Open Buildservice: from 2.4 before 2.4.8; from 2.5 before 2.5.7; from 2.6 before 2.6.3 — fixed in 2.4.8, 2.5.7, 2.6.3

How to fix

Upgrade to a fixed version: openSUSE Open Buildservice 2.4.8, 2.5.7, 2.6.3. Check the vendor advisory for mitigations.

References

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

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