Sun Solaris 2.4/2.5/2.5.1 chkey memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Sun Solaris 2.4/2.5/2.5.1. This issue affects some unknown processing of the component chkey. This manipulation causes memory corruption. This vulnerability is tracked as CVE-1999-1191. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Sun Solaris 2.4/2.5/2.5.1 (Operating System). Affected by this vulnerability is some unknown functionality of the component chkey. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

buffer overflow in chkey in solaris 2.5.1 and earlier allows local users to gain root privileges via a long command line argument.

The weakness was disclosed 05/19/1997 by Adam Morrison as confirmed posting (Bugtraq). The advisory is shared at marc.theaimsgroup.com. This vulnerability is known as CVE-1999-1191. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Joe Zbiciak and been published immediately after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Upgrading to version 2.6 or 7.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (7442), Exploit-DB (332), SecurityFocus (BID 207†) and OSVDB (934†). The entry VDB-13896 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Joe Zbiciak
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Solaris 2.6/7.0

Timelineinfo

05/19/1997 🔍
05/19/1997 +0 days 🔍
05/19/1997 +0 days 🔍
05/19/1997 +0 days 🔍
05/19/1997 +0 days 🔍
02/21/2003 +2104 days 🔍
06/18/2014 +4134 days 🔍
12/28/2024 +3846 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: marc.theaimsgroup.com
Researcher: Adam Morrison
Status: Confirmed

CVE: CVE-1999-1191 (🔍)
GCVE (CVE): GCVE-0-1999-1191
GCVE (VulDB): GCVE-100-13897
X-Force: 7442
SecurityFocus: 207 - Solaris chkey Vulnerability
OSVDB: 934 - Solaris chkey Command Line Overflow

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/18/2014 11:00
Updated: 12/28/2024 14:37
Changes: 06/18/2014 11:00 (60), 05/19/2018 09:48 (9), 12/28/2024 14:37 (16)
Complete: 🔍
Cache ID: 216:FD9:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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