keepalived 2.0.8 used mode 0666 when creating new temporary files upon a call to PrintData or PrintStats, potentially leaking sensitive information.

According to the versions of the keepalived package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - 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.(CVE-2018-19115)

  - keepalived 2.0.8 used mode 0666 when creating new     temporary files upon a call to PrintData or PrintStats,     potentially leaking sensitive     information.(CVE-2018-19045)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update of the keepalived package has been released.

This update for keepalived to version 2.0.10 fixes the following issues :

Security issues fixed (bsc#1015141) :

  - CVE-2018-19044: Fixed a check for pathnames with     symlinks when writing data to a temporary file upon a     call to PrintData or PrintStats

  - CVE-2018-19045: Fixed mode when creating new temporary     files upon a call to PrintData or PrintStats

  - CVE-2018-19046: Fixed a check for existing plain files     when writing data to a temporary file upon a call to     PrintData or PrintStats

Non-security issues fixed :

  - Replace references to /var/adm/fillup-templates with new     %_fillupdir macro (boo#1069468)

  - Use getaddrinfo instead of gethostbyname to workaround     glibc gethostbyname function buffer overflow     (bsc#949238)

For the full list of changes refer to:
http://www.keepalived.org/changelog.html

The remote host is affected by the vulnerability described in GLSA-201903-01 (Keepalived: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in keepalived. Please       review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could send a specially crafted request possibly       resulting in a Denial of Service condition. A local attacker could       perform symlink attacks to overwrite arbitrary files with the privileges       of the user running the application.
  Workaround :

    There is no known workaround at this time.

Security fix for CVE-2018-19044, CVE-2018-19045, CVE-2018-19046, CVE-2018-19115

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
127007	EulerOS 2.0 SP8 : keepalived (EulerOS-SA-2019-1770)	Nessus	Huawei Local Security Checks	critical
125400	Photon OS 1.0: Keepalived PHSA-2019-1.0-0235	Nessus	PhotonOS Local Security Checks	high
125394	Photon OS 2.0: Keepalived PHSA-2019-2.0-0160	Nessus	PhotonOS Local Security Checks	high
123152	openSUSE Security Update : keepalived (openSUSE-2019-1008)	Nessus	SuSE Local Security Checks	high
122729	GLSA-201903-01 : Keepalived: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	critical
120373	Fedora 29 : keepalived (2018-3fbc181b3e)	Nessus	Fedora Local Security Checks	critical
119854	openSUSE Security Update : keepalived (openSUSE-2018-1575)	Nessus	SuSE Local Security Checks	high

Detections

Analytics

CVE-2018-19045

high

Tenable Plugins

critical

high

high

high

critical

critical

high