David Harris Mercury-NLM up to 1.47 POP3 Server APOP memory corruption

Summaryinfo

A vulnerability was found in David Harris Mercury-NLM up to 1.47. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component POP3 Server. Performing a manipulation of the argument APOP results in memory corruption. This vulnerability was named CVE-2001-0442. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in David Harris Mercury-NLM up to 1.47. It has been classified as critical. This affects an unknown function of the component POP3 Server. The manipulation of the argument APOP 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 Mercury MTA POP3 server for NetWare 1.48 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long APOP command.

The weakness was presented 06/27/2001 by Przemyslaw Frasunek (Website). It is possible to read the advisory at archives.neohapsis.com. This vulnerability is uniquely identified as CVE-2001-0442. 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.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 1.48 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6444), Exploit-DB (20792) and SecurityFocus (BID 2641†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• David Harris

Name

• Mercury-NLM

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.44
• 1.45
• 1.46
• 1.47

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion