IBM AIX 4.3/4.3.1/4.3.2 ftpd libc memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in IBM AIX 4.3/4.3.1/4.3.2. This issue affects some unknown processing in the library libc of the component ftpd. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-1999-0789. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in IBM AIX 4.3/4.3.1/4.3.2 (Operating System). It has been classified as critical. This affects an unknown code in the library libc of the component ftpd. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in AIX ftpd in the libc library.

The issue has been introduced in 10/01/1997. The weakness was published 09/28/1999 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-1999-0789. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 727 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 10009 (AIX FTPd libc Library Remote Buffer Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP and running in the context r.

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 337. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 668.

The vulnerability is also documented in the databases at X-Force (3758), Exploit-DB (19532), Tenable (10009), SecurityFocus (BID 679†) and Vulnerability Center (SBV-31†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Not Affected

  • IBM AIX 4.2/4.2.1

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10009
Nessus Name: AIX FTPd libc Library Remote Buffer Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 337
Snort Message: PROTOCOL-FTP CEL overflow attempt
Snort Class: 🔍

Suricata ID: 2100337
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

10/01/1997 🔍
09/28/1999 +727 days 🔍
09/28/1999 +0 days 🔍
09/28/1999 +0 days 🔍
09/28/1999 +0 days 🔍
09/30/1999 +2 days 🔍
10/08/2002 +1104 days 🔍
06/21/2014 +4274 days 🔍
06/05/2024 +3637 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-1999-0789 (🔍)
GCVE (CVE): GCVE-0-1999-0789
GCVE (VulDB): GCVE-100-14865
X-Force: 3758
SecurityFocus: 679 - AIX ftpd Remote Buffer Overflow
Vulnerability Center: 31 - Buffer Overflow in AIX ftpd, Critical

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

Entryinfo

Created: 06/22/2014 01:36
Updated: 06/05/2024 18:40
Changes: 06/22/2014 01:36 (78), 05/04/2019 17:12 (5), 06/05/2024 18:40 (16)
Complete: 🔍
Cache ID: 216::103

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

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