LBL tcpdump up to 3.9.1 decode_prefix4 infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in LBL tcpdump up to 3.9.1. This affects the function decode_prefix4. This manipulation causes infinite loop. This vulnerability is registered as CVE-2005-1267. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in LBL tcpdump up to 3.9.1 (Packet Analyzer Software). It has been declared as problematic. Affected by this vulnerability is the function decode_prefix4. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability. The summary by CVE is:

The bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value from the decode_prefix4 function, which allows remote attackers to cause a denial of service (infinite loop) via a crafted BGP packet.

The weakness was published 06/08/2005 by Frédéric Raynal as Bug 159208 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2005-1267. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

After 21 hours, there has been an exploit disclosed. It is possible to download the exploit at securiteam.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 20534 (Ubuntu 4.10 / 5.04 : tcpdump vulnerability (USN-141-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117910 (CentOS Security Update for Tcpdump (CESA-2005:505)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (21088), Exploit-DB (1037), Tenable (20534), SecurityFocus (BID 13906†) and OSVDB (17227†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20534
Nessus Name: Ubuntu 4.10 / 5.04 : tcpdump vulnerability (USN-141-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 55599
OpenVAS Name: Debian Security Advisory DSA 854-1 (tcpdump)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

04/25/2005 🔍
04/25/2005 +0 days 🔍
06/08/2005 +44 days 🔍
06/09/2005 +0 days 🔍
06/09/2005 +0 days 🔍
06/10/2005 +1 days 🔍
06/10/2005 +0 days 🔍
06/14/2005 +3 days 🔍
01/15/2006 +215 days 🔍
03/11/2015 +3342 days 🔍
07/04/2025 +3768 days 🔍

Sourcesinfo

Advisory: Bug 159208
Researcher: Frédéric Raynal
Status: Not defined

CVE: CVE-2005-1267 (🔍)
GCVE (CVE): GCVE-0-2005-1267
GCVE (VulDB): GCVE-100-25495

OVAL: 🔍

X-Force: 21088
SecurityFocus: 13906 - tcpdump BGP Decoding Routines Denial Of Service Vulnerability
Secunia: 15634
OSVDB: 17227 - tcpdump bgp_update_print() Function Malformed BGP Protocol Data DoS
Vulnerability Center: 8319 - DoS in Tcpdump via Malformed Network Packets, Medium

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

Entryinfo

Created: 03/11/2015 11:41
Updated: 07/04/2025 13:11
Changes: 03/11/2015 11:41 (74), 06/08/2017 23:46 (7), 07/05/2021 09:38 (3), 07/05/2021 09:40 (1), 01/25/2025 13:31 (18), 07/04/2025 13:11 (3)
Complete: 🔍
Cache ID: 216::103

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