CVE-2018-19115 — Out-of-bounds Write in Keepalived

CWE-787 — Out-of-bounds WriteCWE-122 — Heap-based Buffer Overflow10 documents8 sources
Severity
9.8CRITICALNVD
EPSS
6.2%
top 9.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
KeepalivedDebian LinuxRedhat Enterprise Linux Server+4 more
Timeline
PublishedNov 8
Latest updateMay 13

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 vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶Debiankeepalived/keepalived< 1:2.0.10-1+3

Also affects: Debian Linux 8.0, Enterprise Linux 7.6

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-q8cg-hf8f-hgf3: keepalived before 2↗2022-05-13
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OSV
CVE-2018-19115: keepalived before 2↗2018-11-08
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CVEList
CVE-2018-19115: keepalived before 2↗2018-11-08
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📋Vendor Advisories

4
Ubuntu
Keepalived vulnerability↗2019-05-28
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Ubuntu
Keepalived vulnerability↗2019-05-28
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Red Hat
keepalived: Heap-based buffer overflow when parsing HTTP status codes allows for denial of service or possibly arbitrary code execution↗2018-11-08
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Debian
CVE-2018-19115: keepalived - keepalived before 2.0.7 has a heap-based buffer overflow when parsing HTTP statu...↗2018
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💬Community

2
Bugzilla
CVE-2018-19115 keepalived: Heap-based buffer overflow when parsing HTTP status codes allows for denial of service or possibly arbitrary code execution↗2018-11-21
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Bugzilla
CVE-2018-19115 keepalived: Heap-based buffer overflow when parsing HTTP status codes allows for denial of service or possibly arbitrary code execution [fedora-all]↗2018-11-21
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CVE-2018-19115 — Out-of-bounds Write in Keepalived | cvebase