HIGH
corosync: Integer overflow in exec/totemcrypto.c:authenticate_nss_2_3() function
Published Apr 12, 2018
7.5
HIGHCVSS 3.1
EPSS 3.11%
Description
corosync before version 2.4.4 is vulnerable to an integer overflow in exec/totemcrypto.c.
Affected products
- Vendor n/a Product Corosync Defaultn/a
- Version corosync 2.4.4StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Corosync | n/a |
|
Configuration 2
- 9.0
Configuration 3
- 7.0
Configuration 4
OR
- 16.04
- 18.04
No data.
Red Hat Enterprise Linux 7
corosync-0:2.4.3-2.el7_5.1
Fixed · RHSA-2018:1169
Red Hat Enterprise Linux 6
corosync
Not affected
Red Hat Enterprise Linux 8
corosync
Not affected
Red Hat Storage 3
corosync
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | corosync-0:2.4.3-2.el7_5.1 | Fixed | RHSA-2018:1169 |
| Red Hat Enterprise Linux 6 | corosync | Not affected | n/a |
| Red Hat Enterprise Linux 8 | corosync | Not affected | n/a |
| Red Hat Storage 3 | corosync | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.5 HIGH Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.11% 0.03113
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03113
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 (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.11% (0.03113) | 87.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.21% (0.03213) | 86.50th | v5 (v2026.06.15) |
| Nov 21, 2025 | 0.80% (0.00800) | 73.31th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.33% (0.03335) | 86.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.68% (0.00683) | 69.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.62% (0.03625) | 92.03th | v3 (v2023.03.01) |
| Nov 30, 2023 | 3.62% (0.03625) | 90.66th | v3 (v2023.03.01) |
| Nov 6, 2023 | 5.04% (0.05045) | 92.02th | v3 (v2023.03.01) |
| Oct 13, 2023 | 8.68% (0.08680) | 93.79th | v3 (v2023.03.01) |
| Sep 3, 2023 | 10.02% (0.10024) | 94.14th | v3 (v2023.03.01) |
| Jul 8, 2023 | 15.82% (0.15821) | 95.19th | v3 (v2023.03.01) |
| May 11, 2023 | 11.07% (0.11067) | 94.28th | v3 (v2023.03.01) |
| Apr 6, 2023 | 14.21% (0.14211) | 94.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 19.10% (0.19095) | 95.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.45% (0.01454) | 32.67th | v1 |
| Jan 6, 2022 | 1.45% (0.01454) | 31.96th | v1 |
| Sep 1, 2021 | 1.45% (0.01454) | 71.88th | v1 |
| Jul 3, 2021 | 1.45% (0.01454) | 0.00th | v1 |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
Weaknesses (1)
References (10)
- http://www.securityfocus.com/bid/103758 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1169 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-1084 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1552830 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1084 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-1084
- https://security.gentoo.org/glsa/202107-01 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/4000-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-1084
- https://www.debian.org/security/2018/dsa-4174 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103758 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/errata/RHSA-2018:1169 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2018-1084 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1552830 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1084 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-1084 | ||
| https://security.gentoo.org/glsa/202107-01 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://usn.ubuntu.com/4000-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-1084 | ||
| https://www.debian.org/security/2018/dsa-4174 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Apr 12, 2018
Updated Aug 5, 2024
Reserved Dec 4, 2017
Link CVE-2018-1084
CISA Vulnrichment
Updated n/a