Off-by-one error in the process_cgivars function in contrib/daemonchk.c in Nagios Core 3.5.1, 4.0.2, and earlier allows remote…

Description

Off-by-one error in the process_cgivars function in contrib/daemonchk.c in Nagios Core 3.5.1, 4.0.2, and earlier allows 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, which triggers a heap-based buffer over-read.

Scores

EPSS (exploitation in 30 days)

4.6% · top 8.3% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.

Weakness

• n/a
• CWE-119 (opens in a new tab)All about CWE-119 and its CVEs

Affected products

• n/a

  • affected n/a

References (6)

• 64489 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• MDVSA-2014:004 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• http://sourceforge.net/p/nagios/nagioscore/ci/d97e03f32741a7d851826b03ed73ff4c9612a866/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• [debian-lts-announce] 20181224 [SECURITY] [DLA 1615-1] nagios3 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [oss-security] 20131224 Re: CVE request: denial of service in Nagios (process_cgivars()) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 55976 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2013-7205](https://trackcve.app/badge/CVE-2013-7205.svg)](https://trackcve.app/cve/CVE-2013-7205)

Record last updated 6 Aug 2024, 18:01 UTC.