Crafted service parameters allows to induce unexpected behaviour in obs-service-tar_scm

published 2018-10-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4444

cvss: 5.4; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 distros 1 links 1

openSUSE Open Build Service 51a17c553b6ae2598820b7a90fd0c11502a49106

obs-service-tar_scm openSUSE Tumbleweed 0.10.28.1632141620.a8837d3-1.1
obs-service-tar_scm openSUSE Leap 15.0 0.10.5.1551309990.79898c7-lp150.2.3.1
obs-service-tar_scm Package Hub 15 0.10.5.1551309990.79898c7-bp150.3.3.1

opensuse advisories openSUSE-SU-2024:11107-1 openSUSE-SU-2019:0326-1 openSUSE-SU-2019:0329-1

github.com/openSUSE/obs-service-tar_scm#254 pull request

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

openSUSE Open Build Service

Classification

Weakness

CWE-20 Improper Input Validation

References

Sources

CVE List CVE-2018-12474
NVD CVE-2018-12474

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary