KDE 1.0 klock Home memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in KDE 1.0. Affected by this vulnerability is an unknown functionality of the component klock. The manipulation of the argument Home as part of Environment Variable leads to memory corruption. This vulnerability is referenced as CVE-1999-1096. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in KDE 1.0 and classified as critical. This issue affects some unknown functionality of the component klock. The manipulation of the argument HOME 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 kscreensaver in KDE klock allows local users to gain root privileges via a long HOME environmental variable.

The weakness was published 05/16/1998 as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. The identification of this vulnerability is CVE-1999-1096. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (1644). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/16/1998 🔍
05/16/1998 +0 days 🔍
06/19/2014 +5878 days 🔍
04/17/2026 +4320 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-1999-1096 (🔍)
GCVE (CVE): GCVE-0-1999-1096
GCVE (VulDB): GCVE-100-14135
X-Force: 1644 - KDE klock HOME variable buffer overflow

Entryinfo

Created: 06/19/2014 15:27
Updated: 04/17/2026 11:58
Changes: 06/19/2014 15:27 (46), 05/19/2018 09:55 (6), 04/17/2026 11:58 (18)
Complete: 🔍
Cache ID: 216::103

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

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