IBM AIX 4.2 rwhod hostname memory corruption

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CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability classified as critical was found in IBM AIX 4.2 (Operating System). Affected by this vulnerability is an unknown code block of the component rwhod. The manipulation of the argument hostname as part of a UDP Packet leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

buffer overflow in rwhod on aix and other operating systems allows remote attackers to execute arbitrary code via a udp packet with a long hostname.

The issue has been introduced in 05/17/1996. The weakness was presented 08/21/1996 (Website). The advisory is shared at xforce.iss.net. This vulnerability is known as CVE-1999-0085. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 96 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (118) and Vulnerability Center (SBV-584). Additional details are provided at xforce.iss.net.

Affectededit

  • FreeBSD 6.2
  • IBM AIX 4.2
  • NetBSD 2.0.4

Productinfoedit

Type

Vendor

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
ISS Proventia IPS: 🔍

Timelineinfoedit

05/17/1996 🔍
08/21/1996 +96 days 🔍
08/21/1996 +0 days 🔍
08/21/1996 +0 days 🔍
12/30/2002 +2322 days 🔍
06/17/2014 +4187 days 🔍
04/18/2016 +671 days 🔍
05/07/2019 +1114 days 🔍

Sourcesinfoedit

Vendor: https://www.ibm.com/

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-1999-0085 (🔍)
X-Force: 118
Vulnerability Center: 584 - CVE Id, Medium

Misc.: 🔍

Entryinfoedit

Created: 06/17/2014 05:18 PM
Updated: 05/07/2019 04:09 PM
Changes: (1) advisory_url
Complete: 🔍

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