Sendmail 5.59/5.61/5.65 -oR privileges management

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical has been found in Sendmail 5.59/5.61/5.65 (Mail Server Software). This affects an unknown functionality. The manipulation of the argument -oR with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-269. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed 08/23/1995 by 8lgm (Website). It is possible to read the advisory at This vulnerability is uniquely identified as CVE-1999-1580 since 04/21/2005. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/31/2017). Due to its background and reception, this vulnerability has a historic impact.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 7829), X-Force (20885) and Vulnerability Center (SBV-45106). The entry 13706 is pretty similar.


  • Sun SunOS 4.1.1/4.1.2/4.1.3/4.1.4




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Privilege escalation
CWE: CWE-269
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Economy: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍


08/23/1995 🔍
08/23/1995 +0 days 🔍
08/23/1995 +0 days 🔍
09/10/1995 +18 days 🔍
04/21/2005 +3511 days 🔍
06/17/2014 +3344 days 🔍
06/24/2014 +7 days 🔍
05/31/2017 +1072 days 🔍


Researcher: 8lgm
Status: Not defined

CVE: CVE-1999-1580 (🔍)
SecurityFocus: 7829 - Sendmail V.5 -oR Privilege Escalation Vulnerability
X-Force: 20885
Vulnerability Center: 45106 - SunOS Sendmail 5.59 Through 5.65 Local Host Privilege Vulnerability via Modifying the IFS Variable, High

See also: 🔍


Created: 06/17/2014 04:34 PM
Updated: 05/31/2017 09:03 AM
Changes: (4) advisory_url source_cve_assigned source_securityfocus_date source_securityfocus_class
Complete: 🔍


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