IBM AIX 4.3/5.1 FTPD memory corruption

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

Summaryinfo

A vulnerability described as critical has been identified in IBM AIX 4.3/5.1. Affected by this issue is some unknown functionality of the component FTPD. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2001-1557. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in IBM AIX 4.3/5.1 (Operating System). Affected by this issue is an unknown code block of the component FTPD. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in ftpd in IBM AIX 4.3 and 5.1 allows attackers to gain privileges.

The bug was discovered 06/20/2001. The weakness was released 12/31/2001 (Website). The advisory is shared for download at www-1.ibm.com. This vulnerability is handled as CVE-2001-1557 since 07/14/2005. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1552 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 22373 (AIX 5.1 : IY20486), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (23570), Tenable (22373), OSVDB (20286†) and Vulnerability Center (SBV-12741†). Entry connected to this vulnerability is available at VDB-17873. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22373
Nessus Name: AIX 5.1 : IY20486
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/01/1997 🔍
06/20/2001 +1358 days 🔍
06/20/2001 +0 days 🔍
12/31/2001 +194 days 🔍
12/31/2001 +0 days 🔍
07/14/2005 +1291 days 🔍
09/16/2006 +429 days 🔍
09/19/2006 +3 days 🔍
07/11/2014 +2852 days 🔍
06/27/2021 +2543 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: www-1.ibm.com
Status: Not defined

CVE: CVE-2001-1557 (🔍)
GCVE (CVE): GCVE-0-2001-1557
GCVE (VulDB): GCVE-100-17876
X-Force: 23570
OSVDB: 20286 - CVE-2001-1557 - AIX - Buffer Overflow Issue
Vulnerability Center: 12741 - IBM AIX ftpd Buffer Overflow Allows to Gain Privileges, Critical

See also: 🔍

Entryinfo

Created: 07/11/2014 13:32
Updated: 06/27/2021 08:58
Changes: 07/11/2014 13:32 (63), 07/08/2019 16:57 (4), 06/27/2021 08:58 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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