What’s Vulnerable › Vulnerabilities

CVE-1999-1580

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 1995-08-23 · updated 2026-06-16

Description

SunOS sendmail 5.59 through 5.65 uses popen to process a forwarding host argument, which allows local users to gain root privileges by modifying the IFS (Internal Field Separator) variable and passing crafted values to the -oR option.

Affected products

• Sendmail: 5.59, 5.61, 5.65
• Sunos: 4.1.1, 4.1.2, 4.1.3, 4.1.3c, 4.1.3u1, 4.1.4 (+1)

References

• http://www.alw.nih.gov/Security/8lgm/8lgm-Advisory-21.html
• http://www.auscert.org.au/render.html?it=1853&cid=1978
• http://www.cert.org/advisories/CA-95.11.sun.sendmail-oR.vul
• http://www.kb.cert.org/vuls/id/3278
• http://www.securityfocus.com/bid/7829
• http://www.alw.nih.gov/Security/8lgm/8lgm-Advisory-21.html
• http://www.auscert.org.au/render.html?it=1853&cid=1978
• http://www.cert.org/advisories/CA-95.11.sun.sendmail-oR.vul
• http://www.kb.cert.org/vuls/id/3278
• http://www.securityfocus.com/bid/7829

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