YepYep mtftpd 0.1a/0.2/0.3 log.c log_do memory corruption

Summaryinfo

A vulnerability marked as critical has been reported in YepYep mtftpd 0.1a/0.2/0.3. Affected is the function log_do of the file log.c. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2005-0958. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in YepYep mtftpd 0.1a/0.2/0.3 (File Transfer Software). It has been rated as critical. This issue affects the function log_do of the file log.c. 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. The summary by CVE is:

Format string vulnerability in the log_do function in log.c for YepYep mtftpd 0.0.3, when the statistics option is enabled, allows remote attackers to execute arbitrary code via the CWD command.

The weakness was shared 03/30/2005 (Website). The advisory is shared at tripbit.org. The identification of this vulnerability is CVE-2005-0958 since 04/03/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by darkeagle in ANSI C and been published even before and not after the advisory. The exploit is available at unl0ck.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (902), SecurityFocus (BID 12947†) and OSVDB (15192†). The entry VDB-24750 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• File Transfer Software

Vendor

• YepYep

Name

• mtftpd

Version

• 0.1a
• 0.2
• 0.3

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Exploitinginfo

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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