Daniel Stenberg cURL 7.15.0/7.15.1/7.15.2 heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Daniel Stenberg cURL 7.15.0/7.15.1/7.15.2 (Network Utility Software). Affected by this issue is an unknown part. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in cURL and libcURL 7.15.0 through 7.15.2 allows remote attackers to execute arbitrary commands via a TFTP URL (tftp://) with a valid hostname and a long path.

The bug was discovered 03/10/2006. The weakness was published 03/20/2006 by Ulf Harnhammar (Website). The advisory is available at secunia.com. This vulnerability is handled as CVE-2006-1061 since 03/07/2006. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 21501 (FreeBSD : curl -- TFTP packet buffer overflow vulnerability (b8e361b8-b7ff-11da-8414-0013d4a4a40e)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD 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 (25318) and Tenable (21501).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21501
Nessus Name: FreeBSD : curl -- TFTP packet buffer overflow vulnerability (b8e361b8-b7ff-11da-8414-0013d4a4a40e)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56451
OpenVAS Name: FreeBSD Ports: curl
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/07/2006 🔍
03/10/2006 +3 days 🔍
03/20/2006 +10 days 🔍
03/20/2006 +0 days 🔍
03/20/2006 +0 days 🔍
03/20/2006 +0 days 🔍
03/20/2006 +0 days 🔍
03/20/2006 +0 days 🔍
03/20/2006 +0 days 🔍
03/26/2006 +5 days 🔍
05/13/2006 +48 days 🔍
03/12/2015 +3225 days 🔍
06/15/2019 +1556 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: Ulf Harnhammar
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-1061 (🔍)
X-Force: 25318
Vulnerability Center: 10790 - libcURL Heap Overflow via TFTP URL w/ Long Path, Medium
SecurityFocus: 17154 - cURL / libcURL TFTP URL Parser Buffer Overflow Vulnerability
Secunia: 19271 - cURL/libcURL TFTP Protocol URL Parsing Buffer Overflow, Moderately Critical
OSVDB: 23982 - cURL/libcURL TFTP URL Parsing Overflow
Vupen: ADV-2006-1008

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/15/2019 20:44
Changes: 03/12/2015 12:19 (81), 06/15/2019 20:44 (2)
Complete: 🔍

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