strongswan: Insufficient Input Validation in RSASSA-PSS Signature Parser
Published Feb 20, 2018
7.5
HIGHCVSS 3.0
EPSS 1.05%
Description
The rsa_pss_params_parse function in libstrongswan/credentials/keys/signature_params.c in strongSwan 5.6.1 allows remote attackers to cause a denial of service via a crafted RSASSA-PSS signature that lacks a mask generation function parameter.
Affected products
No data.
- 5.6.1
No data.
Red Hat Enterprise Linux 7
strongimcv
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | strongimcv | Not affected | n/a |
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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/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 v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.05% (0.01049) | 62.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.09% (0.01086) | 60.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.25% (0.00252) | 46.63th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.41% (0.00414) | 74.23th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.41% (0.00414) | 73.31th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.41% (0.00414) | 71.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00393) | 69.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
References (7)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00047.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/security/cve/CVE-2018-6459 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1547510 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-6459
- https://security.gentoo.org/glsa/201811-16 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-6459
- https://www.strongswan.org/blog/2018/02/19/strongswan-vulnerability-%28cve-2018-6459%29.html x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00047.html | vendor-advisoryx_refsource_SUSE | |
| https://access.redhat.com/security/cve/CVE-2018-6459 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1547510 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-6459 | ||
| https://security.gentoo.org/glsa/201811-16 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-6459 | ||
| https://www.strongswan.org/blog/2018/02/19/strongswan-vulnerability-%28cve-2018-6459%29.html | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.