open build service source server symlink exploitation via source patch
Published Mar 2, 2018
7.8
HIGHCVSS 3.0
EPSS 0.86%
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
-
- Version 2.4StatusaffectedConstraints<2.4.8
- Version 2.5StatusaffectedConstraints<2.5.7
- Version 2.6StatusaffectedConstraints<2.6.3
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SUSE | Open Build Service | n/a |
|
- ≥ 2.4 · < 2.4.8
- ≥ 2.5 · < 2.5.7
- ≥ 2.6 · < 2.6.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
AV:L/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.86% (0.00860) | 56.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.88% (0.00876) | 54.12th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.16% (0.00156) | 33.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 14.58th | v3 (v2023.03.01) |
| May 25, 2024 | 0.04% (0.00044) | 12.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
References (2)
- https://bugzilla.suse.com/show_bug.cgi?id=941099 x_refsource_CONFIRM
- https://github.com/openSUSE/open-build-service/commit/474a3db19498765f0118ba3dbc0b1cc90b0097fc x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=941099 | x_refsource_CONFIRM | |
| https://github.com/openSUSE/open-build-service/commit/474a3db19498765f0118ba3dbc0b1cc90b0097fc | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.