cvs: Command injection via malicious ssh URLs
Published Aug 24, 2017
7.5
HIGHCVSS 3.0
EPSS 6.02%
Description
CVS 1.12.x, when configured to use SSH for remote repositories, might allow remote attackers to execute arbitrary code via a repository URL with a crafted hostname, as demonstrated by "-oProxyCommand=id;localhost:/bar."
Affected products
No data.
Configuration 1
Configuration 2
- 14.04
- 16.04
- 17.04
Configuration 3
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 5
cvs
Will not fix
Red Hat Enterprise Linux 6
cvs
Will not fix
Red Hat Enterprise Linux 7
cvs
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | cvs | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | cvs | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | cvs | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
AV:N/AC:H/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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.02% (0.06017) | 93.12th | v5 (v2026.06.15) |
| Sep 22, 2026 | 6.02% (0.06017) | 93.01th | v5 (v2026.06.15) |
| Sep 21, 2026 | 8.49% (0.08487) | 94.85th | v5 (v2026.06.15) |
| Sep 6, 2026 | 6.02% (0.06017) | 92.86th | v5 (v2026.06.15) |
| Sep 5, 2026 | 8.49% (0.08487) | 94.73th | v5 (v2026.06.15) |
| Aug 30, 2026 | 6.02% (0.06017) | 92.82th | v5 (v2026.06.15) |
| Aug 28, 2026 | 8.49% (0.08487) | 94.70th | v5 (v2026.06.15) |
| Aug 24, 2026 | 6.02% (0.06017) | 92.77th | v5 (v2026.06.15) |
| Aug 23, 2026 | 8.49% (0.08487) | 94.68th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.97% (0.05968) | 92.33th | v5 (v2026.06.15) |
| May 26, 2026 | 2.50% (0.02504) | 85.54th | v4 (v2025.03.14) |
| Apr 27, 2026 | 3.67% (0.03675) | 87.95th | v4 (v2025.03.14) |
| Jan 23, 2026 | 5.17% (0.05166) | 89.60th | v4 (v2025.03.14) |
| Jul 13, 2025 | 3.32% (0.03317) | 86.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.40% (0.04402) | 88.25th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.54% (0.03540) | 91.44th | v3 (v2023.03.01) |
| Oct 20, 2023 | 10.10% (0.10099) | 94.26th | v3 (v2023.03.01) |
| Aug 4, 2023 | 7.39% (0.07394) | 93.19th | v3 (v2023.03.01) |
| Jul 4, 2023 | 5.18% (0.05182) | 91.84th | v3 (v2023.03.01) |
| May 8, 2023 | 4.90% (0.04898) | 91.52th | v3 (v2023.03.01) |
| Apr 13, 2023 | 5.00% (0.05005) | 91.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.01% (0.06013) | 92.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.32% (0.06320) | 90.90th | v2 (v2022.01.01) |
| May 21, 2022 | 6.32% (0.06320) | 90.17th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.16% (0.06156) | 89.81th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.16% (0.06156) | 77.65th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.04% (0.04044) | 73.92th | v1 |
| Jan 6, 2022 | 4.04% (0.04044) | 73.69th | v1 |
| Sep 1, 2021 | 4.04% (0.04044) | 83.24th | v1 |
| Apr 14, 2021 | 4.04% (0.04044) | 0.00th | v1 |
References (11)
- http://lists.nongnu.org/archive/html/bug-cvs/2017-08/msg00000.html mailing-listx_refsource_MLISTExploitMailing ListVendor Advisory
- http://www.debian.org/security/2017/dsa-3940 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/1 mailing-listx_refsource_MLISTExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/11/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/100279 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-3399-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-12836 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1480800 x_refsource_MISCIssue TrackingPatchThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2017-12836
- https://security.gentoo.org/glsa/201709-17 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-12836
Change history (0)
No recorded changes yet.