CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Yongguang Zhang hztty 2.0. This issue affects some unknown functionality. 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:
Multiple buffer overflows in hztty 2.0 allow local users to gain root privileges.
The weakness was published 09/21/2003 by Jens Steube (Website). It is possible to read the advisory at debian.org. The identification of this vulnerability is CVE-2003-0783 since 09/16/2003. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.
The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 15222 (Debian DSA-385-1 : hztty - buffer overflows), 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 even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (13243), Tenable (15222) and Exploit-DB (104).
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.3VulDB Meta Temp Score: 8.4
VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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unlock | unlock | unlock | unlock | unlock | unlock |
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unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 15222
Nessus Name: Debian DSA-385-1 : hztty - buffer overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 53669
OpenVAS Name: Debian Security Advisory DSA 385-1 (hztty)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
09/16/2003 🔍09/18/2003 🔍
09/19/2003 🔍
09/19/2003 🔍
09/19/2003 🔍
09/21/2003 🔍
10/06/2003 🔍
04/09/2004 🔍
09/29/2004 🔍
08/14/2014 🔍
04/21/2019 🔍
Sources
Advisory: debian.orgResearcher: Jens Steube
Status: Not defined
CVE: CVE-2003-0783 (🔍)
X-Force: 13243
SecurityTracker: 1007756
SecurityFocus: 8656 - Debian hztty Multiple Buffer Overflow Vulnerabilities
Secunia: 9792 - Debian update for hztty, Less Critical
OSVDB: 7119 - hztty Multiple Local Overflows
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 08/15/2014 01:06Updated: 04/21/2019 20:39
Changes: 08/15/2014 01:06 (76), 04/21/2019 20:39 (3)
Complete: 🔍
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