Red Hat Linux up to 6.0 Telnet Daemon TERMCAP 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 has been found in Red Hat Linux up to 6.0 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Telnet Daemon. The manipulation of the argument TERMCAP as part of Environment Variable leads to memory corruption. This vulnerability is listed as CVE-1999-0192. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Red Hat Linux up to 6.0 (Operating System). It has been rated as critical. This issue affects an unknown part of the component Telnet Daemon. The manipulation of the argument TERMCAP as part of a Environment Variable 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:

buffer overflow in telnet daemon tgetent routing allows remote attackers to gain root access via the termcap environmental variable.

The bug was discovered 10/21/1997. The weakness was presented 10/18/1997 by LINUX with Redhat. The identification of this vulnerability is CVE-1999-0192. 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 in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (610), Exploit-DB (19464), SecurityFocus (BID 588†), OSVDB (1047†) and Vulnerability Center (SBV-15574†). See VDB-14000 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Red Hat Linux up to 6.0
  • Slackware Linux up to 4.0

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

10/18/1997 🔍
10/18/1997 +0 days 🔍
10/18/1997 +0 days 🔍
10/21/1997 +3 days 🔍
08/18/1999 +666 days 🔍
07/10/2007 +2883 days 🔍
06/18/2014 +2535 days 🔍
10/14/2024 +3771 days 🔍

Sourcesinfo

Vendor: redhat.com

Researcher: LINUX
Organization: Redhat
Status: Not defined

CVE: CVE-1999-0192 (🔍)
GCVE (CVE): GCVE-0-1999-0192
GCVE (VulDB): GCVE-100-14003
X-Force: 610
SecurityFocus: 588 - Multiple Vendor Termcap tgetent() Buffer Overflow
OSVDB: 1047 - RedHat and Slackware Linux, Buffer Overflow in Termcap Tgetent() Function
Vulnerability Center: 15574 - Telnet Daemon Buffer Overflow Allows Remote Root Access, Critical

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

Entryinfo

Created: 06/18/2014 16:30
Updated: 10/14/2024 11:56
Changes: 06/18/2014 16:30 (61), 07/21/2019 16:17 (10), 10/14/2024 11:56 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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