FreeBSD/OpenBSD bootpd Header Type memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in FreeBSD and OpenBSD. Affected by this issue is some unknown functionality of the component bootpd. The manipulation as part of Header Type leads to memory corruption. This vulnerability is traded as CVE-1999-0798. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in FreeBSD and OpenBSD (Operating System) (version now known) and classified as very critical. This issue affects some unknown processing of the component bootpd. The manipulation as part of a Header Type 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 bootpd on OpenBSD, FreeBSD, and Linux systems via a malformed header type.

The weakness was shared 12/04/1998 as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. The identification of this vulnerability is CVE-1999-0798. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/17/2026).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 1939.

The vulnerability is also documented in the databases at X-Force (1608) and Vulnerability Center (SBV-40989†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Snort ID: 1939
Snort Message: SERVER-OTHER bootp hardware address length overflow
Snort Class: 🔍

Suricata ID: 2100319
Suricata Class: 🔍
Suricata Message: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

12/04/1998 🔍
12/04/1998 +0 days 🔍
12/04/1998 +0 days 🔍
08/13/2013 +5366 days 🔍
06/19/2014 +310 days 🔍
04/17/2026 +4320 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: marc.theaimsgroup.com
Status: Confirmed

CVE: CVE-1999-0798 (🔍)
GCVE (CVE): GCVE-0-1999-0798
GCVE (VulDB): GCVE-100-14279
X-Force: 1608
Vulnerability Center: 40989 - OpenBSD, FreeBSD and Linux bootpd Remote Buffer Overflow Vulnerability Could Allow Full Compromise, High

Entryinfo

Created: 06/19/2014 22:56
Updated: 04/17/2026 19:40
Changes: 06/19/2014 22:56 (39), 05/08/2017 09:07 (23), 04/17/2026 19:40 (17)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!