Sun Solaris 2.3/2.4 Syslog memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Sun Solaris 2.3/2.4 (Operating System). It has been classified as very critical. This affects an unknown function of the component Syslog. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

buffer overflow in syslog utility allows local or remote attackers to gain root privileges.

The weakness was presented 08/01/1995 as confirmed advisory (Website). This vulnerability is uniquely identified as CVE-1999-0099. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/14/2018). It is expected to see the exploit prices for this product decreasing in the near future.

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (129) and Vulnerability Center (SBV-659). See 13714 for similar entry.


  • Sun Solaris 2.3/2.4
  • BSDI BSD OS 2.0/2.01
  • Convex Convexos up to 11.1
  • Cray Unicos up to 9.0





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

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

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08/01/1995 🔍
10/10/1995 +70 days 🔍
10/19/1995 +9 days 🔍
10/19/1995 +0 days 🔍
01/19/2003 +2649 days 🔍
06/17/2014 +4167 days 🔍
02/10/2016 +603 days 🔍
01/14/2018 +704 days 🔍



Status: Confirmed

CVE: CVE-1999-0099 (🔍)
X-Force: 129
Vulnerability Center: 659 - Buffer Overflow in syslog Utility Allows to Gain Root Privileges, Critical

See also: 🔍


Created: 06/17/2014 04:41 PM
Updated: 01/14/2018 10:32 AM
Changes: (6) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai
Complete: 🔍


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