Vulnerability Description
keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validation of the status code and instead writes an unlimited amount of data to the heap.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Keepalived | Keepalived | < 2.0.7 |
| Debian | Debian Linux | 8.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.6 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 7.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2019:0022Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1792
- https://access.redhat.com/errata/RHSA-2019:1945
- https://bugzilla.suse.com/show_bug.cgi?id=1015141Issue TrackingThird Party Advisory
- https://github.com/acassen/keepalived/pull/961PatchThird Party Advisory
- https://github.com/acassen/keepalived/pull/961/commits/f28015671a4b04785859d1b4bPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00034.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201903-01Third Party Advisory
- https://usn.ubuntu.com/3995-1/
- https://usn.ubuntu.com/3995-2/
- https://access.redhat.com/errata/RHSA-2019:0022Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1792
- https://access.redhat.com/errata/RHSA-2019:1945
- https://bugzilla.suse.com/show_bug.cgi?id=1015141Issue TrackingThird Party Advisory
- https://github.com/acassen/keepalived/pull/961PatchThird Party Advisory
FAQ
What is CVE-2018-19115?
CVE-2018-19115 is a vulnerability with a CVSS score of 9.8 (CRITICAL). keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP status codes resulting in DoS or possibly unspecified other impact, because extract_status_code in lib/html.c has no validati...
How severe is CVE-2018-19115?
CVE-2018-19115 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-19115?
Check the references section above for vendor advisories and patch information. Affected products include: Keepalived Keepalived, Debian Debian Linux, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus.