Input validation error in Nagios - CVE-2013-7108

Vulnerability details

The vulnerability allows a remote #AU# to #BASIC_IMPACT#.

Multiple off-by-one errors in Nagios Core 3.5.1, 4.0.2, and earlier, and Icinga before 1.8.5, 1.9 before 1.9.4, and 1.10 before 1.10.2 allow remote authenticated users to obtain sensitive information from process memory or cause a denial of service (crash) via a long string in the last key value in the variable list to the process_cgivars function in (1) avail.c, (2) cmd.c, (3) config.c, (4) extinfo.c, (5) histogram.c, (6) notifications.c, (7) outages.c, (8) status.c, (9) statusmap.c, (10) summary.c, and (11) trends.c in cgi/, which triggers a heap-based buffer over-read.

Affected software

How to mitigate CVE-2013-7108

Links to Public Exploits and PoC-codes

• Exploit #3638 - Icinga - cgi/config.c process_cgivars Function Off-by-One Read Remote Denial of Service (July 29, 2020)

External References

• http://lists.opensuse.org/opensuse-updates/2014-01/msg00010.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00028.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00046.html
• http://lists.opensuse.org/opensuse-updates/2014-01/msg00068.html
• http://secunia.com/advisories/55976
• http://secunia.com/advisories/56316
• http://sourceforge.net/p/nagios/nagioscore/ci/d97e03f32741a7d851826b03ed73ff4c9612a866/
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:004
• http://www.openwall.com/lists/oss-security/2013/12/24/1
• http://www.securityfocus.com/bid/64363
• https://dev.icinga.org/issues/5251
• https://lists.debian.org/debian-lts-announce/2018/12/msg00014.html
• https://www.icinga.org/2013/12/17/icinga-security-releases-1-10-2-1-9-4-1-8-5/

Related Security Bulletins

• Input validation error in Nagios
• Input validation error in nagios (Alpine package)
• Gentoo update for Nagios