Sun SunOS 4.1/4.1.1/4.1.2 on SPARC Integer Multiplication memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Sun SunOS 4.1/4.1.1/4.1.2 on SPARC (Operating System). It has been classified as critical. Affected is an unknown function of the component Integer Multiplication Handler. 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. CVE summarizes:

vulnerability in integer multiplication emulation code on sparc architectures for sunos 4.1 through 4.1.2 allows local users to gain root access or cause a denial of service (crash).

The weakness was published 07/21/1992 as CA-1992-15 as confirmed advisory ( The advisory is available at This vulnerability is traded as CVE-1999-1396. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 49). Similar entry is available at 13654.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfoedit

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Recommended: Patch
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07/21/1992 🔍
07/21/1992 +0 days 🔍
07/21/1992 +0 days 🔍
06/16/2014 +8000 days 🔍
05/17/2018 +1431 days 🔍



Advisory: CA-1992-15
Status: Confirmed

CVE: CVE-1999-1396 (🔍)
SecurityFocus: 49

See also: 🔍


Created: 06/16/2014 03:31 PM
Updated: 05/17/2018 09:08 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
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