IBM AIX 5.2 dns_name_fromtext numeric error

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

A vulnerability, which was classified as critical, has been found in IBM AIX 5.2 (Operating System). Affected by this issue is the function dns_name_fromtext. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Integer underflow in the dns_name_fromtext function in (1) libdns_nonsecure.a and (2) libdns_secure.a in IBM AIX 5.2 allows local users to gain privileges via a crafted "-y" (TSIG key) command line argument to dig.

The bug was discovered 10/30/2007. The weakness was presented 11/05/2007 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2007-4622 since 08/30/2007. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1756 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 28980 (AIX 5.2 TL 10 : bos.net.tcp.client (U812065)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks and running in the context l.

A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (38169) and Tenable (28980). See 3421, 3428, 3427 and 3424 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.4
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 28980
Nessus Name: AIX 5.2 TL 10 : bos.net.tcp.client (U812065)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/01/2002 🔍
05/11/2007 +1683 days 🔍
07/23/2007 +73 days 🔍
08/30/2007 +38 days 🔍
10/30/2007 +61 days 🔍
10/30/2007 +0 days 🔍
10/30/2007 +0 days 🔍
11/05/2007 +6 days 🔍
11/05/2007 +0 days 🔍
12/03/2007 +28 days 🔍
01/12/2009 +406 days 🔍
03/16/2015 +2254 days 🔍
08/23/2019 +1621 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4622 (🔍)
X-Force: 38169
SecurityTracker: 1018871
Vulnerability Center: 20438 - IBM AIX 5.2 Integer Underflow in dns_name_fromtext Allows Local Privilege Escalation, High
SecurityFocus: 26262 - IBM AIX dig Local Privilege Escalation Vulnerability
Secunia: 27437
OSVDB: 40403 - IBM - AIX - dig Local - Privilege Escalation Issue
Vupen: ADV-2007-3669

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 08/23/2019 14:45
Changes: 03/16/2015 12:18 (68), 08/23/2019 14:45 (12)
Complete: 🔍

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