CVE-2018-5378
Description
An out-of-bounds read vulnerability was discovered in Quagga. A BGP peer could send a specially crafted message which would cause Quagga to read out of bounds, potentially causing a crash or disclosure of up to 64KB process memory to the peer.
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.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 5.9 | 5.9 | 7.1 |
| Attack Vector | Network | Network | Network |
| Attack Complexity | High | High | Low |
| Privileges Required | Low | Low | Low |
| User Interaction | None | None | None |
| Scope | Unchanged | Unchanged | Unchanged |
| Confidentiality | Low | Low | Low |
| Integrity Impact | None | None | None |
| Availability Impact | High | High | High |
Vector
Red Hat: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
NVD: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
cve.org: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Acknowledgements
Red Hat would like to thank the Quagga project for reporting this issue.
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