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CVE-2018-19115

Date: November 8, 2018

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.

Language: C

Severity Score

Related Resources (15)

https://access.redhat.com/errata/RHSA-2019:0022
https://access.redhat.com/errata/RHSA-2019:1792
https://security-tracker.debian.org/tracker/CVE-2018-19115
https://nvd.nist.gov/vuln/detail/CVE-2018-19115
https://usn.ubuntu.com/3995-2/
https://github.com/acassen/keepalived/pull/961
https://usn.ubuntu.com/3995-1/
https://access.redhat.com/security/cve/CVE-2018-19115
https://security.gentoo.org/glsa/201903-01
https://bugzilla.suse.com/show_bug.cgi?id=1015141
https://github.com/acassen/keepalived/pull/961/commits/f28015671a4b04785859d1b4b1327b367b6a10e9
https://lists.debian.org/debian-lts-announce/2018/11/msg00034.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-19115
https://access.redhat.com/errata/RHSA-2019:1945
https://www.mend.io/vulnerability-database/CVE-2018-19115

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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