HIGH
quagga: bgpd does not properly bounds check the data sent with a NOTIFY allowing leak of sensitive data or crash
Published Feb 19, 2018
7.1
HIGHCVSS 3.0
EPSS 74.20%
Description
The Quagga BGP daemon (bgpd) prior to version 1.2.3 does not properly bounds check the data sent with a NOTIFY to a peer, if an attribute length is invalid. Arbitrary data from the bgpd process may be sent over the network to a peer and/or bgpd may crash.
Affected products
-
- Version bpgdStatusaffectedConstraints<1.2.3
- Version
Configuration 2
OR
- 8.0
- 9.0
Configuration 3
OR
- 14.04
- 16.04
- 17.10
No data.
Red Hat Enterprise Linux 5
quagga
Not affected
Red Hat Enterprise Linux 6
quagga
Not affected
Red Hat Enterprise Linux 7
quagga
Not affected
Red Hat Enterprise Linux 8
quagga
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | quagga | Not affected | n/a |
| Red Hat Enterprise Linux 6 | quagga | Not affected | n/a |
| Red Hat Enterprise Linux 7 | quagga | Not affected | n/a |
| Red Hat Enterprise Linux 8 | quagga | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This vulnerability affects Quagga versions after 1.1.0. Versions 0.99.x, included with Red Hat Enterprise Linux, are not affected by this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.9 MEDIUM NVD
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact High
1 other source (CVE.org) ▾
7.1 HIGH CVE.org
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact High
4.9 MEDIUM NVD
AV:N/AC:M/Au:S/C:P/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
74.20% 0.74200
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.74200
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 (32 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 74.20% (0.74200) | 99.48th | v5 (v2026.06.15) |
| Sep 22, 2026 | 74.20% (0.74200) | 99.47th | v5 (v2026.06.15) |
| Sep 21, 2026 | 71.37% (0.71369) | 99.40th | v5 (v2026.06.15) |
| Sep 6, 2026 | 74.20% (0.74200) | 99.45th | v5 (v2026.06.15) |
| Sep 5, 2026 | 71.37% (0.71369) | 99.39th | v5 (v2026.06.15) |
| Aug 30, 2026 | 74.20% (0.74200) | 99.45th | v5 (v2026.06.15) |
| Aug 28, 2026 | 71.37% (0.71369) | 99.38th | v5 (v2026.06.15) |
| Aug 24, 2026 | 74.20% (0.74200) | 99.44th | v5 (v2026.06.15) |
| Aug 23, 2026 | 71.37% (0.71369) | 99.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 74.44% (0.74440) | 99.43th | v5 (v2026.06.15) |
| Dec 23, 2025 | 9.62% (0.09623) | 92.62th | v4 (v2025.03.14) |
| Dec 18, 2025 | 7.32% (0.07323) | 91.36th | v4 (v2025.03.14) |
| Nov 18, 2025 | 6.10% (0.06099) | 89.86th | v4 (v2025.03.14) |
| Nov 4, 2025 | 7.36% (0.07355) | 91.29th | v4 (v2025.03.14) |
| Nov 3, 2025 | 9.89% (0.09887) | 92.71th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.72% (0.03721) | 86.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.49% (0.07490) | 86.01th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.72% (0.03721) | 87.19th | v4 (v2025.03.14) |
| Dec 17, 2024 | 43.01% (0.43012) | 97.39th | v3 (v2023.03.01) |
| Nov 5, 2023 | 57.55% (0.57547) | 97.35th | v3 (v2023.03.01) |
| Sep 15, 2023 | 64.42% (0.64416) | 97.45th | v3 (v2023.03.01) |
| Aug 22, 2023 | 68.86% (0.68860) | 97.54th | v3 (v2023.03.01) |
| Jul 13, 2023 | 74.48% (0.74477) | 97.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 79.21% (0.79208) | 97.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | 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 |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
Weaknesses (2)
References (11)
- http://savannah.nongnu.org/forum/forum.php?forum_id=9095 x_refsource_CONFIRMThird Party Advisory
- http://www.kb.cert.org/vuls/id/940439 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- https://access.redhat.com/security/cve/CVE-2018-5378 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1542972 Issue Tracking
- https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-0543.txt x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-5378
- https://security.gentoo.org/glsa/201804-17 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://usn.ubuntu.com/3573-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-5378
- https://www.debian.org/security/2018/dsa-4115 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://www.quagga.net/security/Quagga-2018-0543.txt
| Link | Providers | Tags |
|---|---|---|
| http://savannah.nongnu.org/forum/forum.php?forum_id=9095 | x_refsource_CONFIRMThird Party Advisory | |
| http://www.kb.cert.org/vuls/id/940439 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| https://access.redhat.com/security/cve/CVE-2018-5378 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1542972 | Issue Tracking | |
| https://gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-0543.txt | x_refsource_CONFIRMVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-5378 | ||
| https://security.gentoo.org/glsa/201804-17 | vendor-advisoryx_refsource_GENTOOThird Party Advisory | |
| https://usn.ubuntu.com/3573-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-5378 | ||
| https://www.debian.org/security/2018/dsa-4115 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://www.quagga.net/security/Quagga-2018-0543.txt |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Feb 19, 2018
Updated Sep 16, 2024
Reserved Jan 12, 2018
Link CVE-2018-5378
CISA Vulnrichment
Updated n/a