ISC DHCP Client 1.0/2.0 Options memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in ISC DHCP Client 1.0/2.0. The impacted element is an unknown function of the component Options Handler. This manipulation causes memory corruption. This vulnerability is handled as CVE-1999-0808. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical was found in ISC DHCP Client 1.0/2.0 (Network Management Software). Affected by this vulnerability is an unknown functionality of the component Options Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple buffer overflows in ISC DHCP Distribution server (dhcpd) 1.0 and 2.0 allow a remote attacker to cause a denial of service (crash) and possibly execute arbitrary commands via long options.

The weakness was released 12/31/1999 as not defined posting (Bugtraq). The advisory is shared at marc.theaimsgroup.com. This vulnerability is known as CVE-1999-0808. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.isc.org.

Additional details are provided at ciac.llnl.gov. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: No
Local: No
Remote: Yes

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ftp.isc.org

Timelineinfo

12/31/1999 🔍
12/31/1999 +0 days 🔍
06/22/2014 +5287 days 🔍
04/20/2026 +4319 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-1999-0808 (🔍)
GCVE (CVE): GCVE-0-1999-0808
GCVE (VulDB): GCVE-100-15121
Misc.: 🔍

Entryinfo

Created: 06/22/2014 16:44
Updated: 04/20/2026 01:43
Changes: 06/22/2014 16:44 (40), 04/05/2019 09:58 (10), 04/20/2026 01:43 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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