CVE-2018-12474: Crafted service parameters allows to induce unexpected behaviour in obs-service-tar_scm

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-09 · updated 2026-06-17
Weakness: CWE-20

Description

Improper input validation in obs-service-tar_scm of Open Build Service allows remote attackers to cause access and extract information outside the current build or cause the creation of file in attacker controlled locations. Affected releases are openSUSE Open Build Service: versions prior to 51a17c553b6ae2598820b7a90fd0c11502a49106.

Affected products

openSUSE Tar Scm: before 0.9.3 — fixed in 0.9.3

How to fix

Upgrade to a fixed version: openSUSE Tar Scm 0.9.3. Check the vendor advisory for mitigations.

References

https://bugzilla.suse.com/show_bug.cgi?id=1107507
https://github.com/openSUSE/obs-service-tar_scm/pull/254
https://bugzilla.suse.com/show_bug.cgi?id=1107507
https://github.com/openSUSE/obs-service-tar_scm/pull/254

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