title: open build service source server symlink exploitation via source patch
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.
problem types: creation of non-standard files
affected:
{
product: open build service
vendor: SUSE
versions:
lessThan: 2.6.3, status: affected, version: 2.6, versionType: custom
lessThan: 2.5.7, status: affected, version: 2.5, versionType: custom
lessThan: 2.4.8, status: affected, version: 2.4, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 6.3
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
version: 3.0
]