Heap-based buffer overflow vulnerability in extract_status_code() function in lib/html.c that parses HTTP status code returned from web server allows malicious web server or man-in-the-middle attacker pretending to be a web server to cause either a denial of service or potentially execute arbitrary code on keepalived load balancer.
Find out more about CVE-2018-19115 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the versions of keepalived as shipped with Red Hat Enterprise Linux 6 and 7.
Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Important, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
CVSS3 Base Score | 8.1 |
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CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Attack Vector | Network |
Attack Complexity | High |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity Impact | High |
Availability Impact | High |
Platform | Errata | Release Date |
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Red Hat Enterprise Linux 7 (keepalived) | RHSA-2019:0022 | 2019-01-03 |
Platform | Package | State |
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Red Hat Enterprise Linux 6 | keepalived | Will not fix |