MAC-Telnet up to 0.4.3 MT_CPTYPE_PASSSALT Control Packet mactelnet.c handle_packet memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in MAC-Telnet up to 0.4.3. The impacted element is the function handle_packet of the file mactelnet.c of the component MT_CPTYPE_PASSSALT Control Packet Handler. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2016-7115. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in MAC-Telnet up to 0.4.3 (Remote Access Software). Affected by this issue is the function handle_packet of the file mactelnet.c of the component MT_CPTYPE_PASSSALT Control Packet Handler. 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 the handle_packet function in mactelnet.c in the client in MAC-Telnet 0.4.3 and earlier allows remote TELNET servers to execute arbitrary code via a long string in an MT_CPTYPE_PASSSALT control packet.

The weakness was published 08/30/2016 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2016-7115 since 08/30/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/14/2022).

The vulnerability scanner Nessus provides a plugin with the ID 93692 (Debian DLA-639-1 : mactelnet security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (93692) and SecurityFocus (BID 92699†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

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: 93692
Nessus Name: Debian DLA-639-1 : mactelnet security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

08/30/2016 🔍
08/30/2016 +0 days 🔍
08/30/2016 +0 days 🔍
08/31/2016 +1 days 🔍
09/01/2016 +1 days 🔍
09/25/2016 +24 days 🔍
09/26/2016 +1 days 🔍
09/14/2022 +2179 days 🔍

Sourcesinfo

Advisory: b69d11727d4f0f8cf719c79e3fb700f55ca03e9a
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7115 (🔍)
GCVE (CVE): GCVE-0-2016-7115
GCVE (VulDB): GCVE-100-91010
SecurityFocus: 92699 - MAC-Telnet 'mactelnet.c' Buffer Overflow Vulnerability

Entryinfo

Created: 09/01/2016 09:20
Updated: 09/14/2022 14:31
Changes: 09/01/2016 09:20 (58), 04/05/2019 22:17 (15), 09/14/2022 14:30 (4), 09/14/2022 14:31 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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