Daniel Stenberg cURL up to 7.15 numeric error

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Daniel Stenberg cURL up to 7.15. It has been classified as problematic. This issue affects some unknown processing. This manipulation causes numeric error. This vulnerability is handled as CVE-2005-4077. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Daniel Stenberg cURL up to 7.15 (Network Utility Software). Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple off-by-one errors in the cURL library (libcurl) 7.11.2 through 7.15.0 allow local users to trigger a buffer overflow and cause a denial of service or bypass PHP security restrictions via certain URLs that (1) are malformed in a way that prevents a terminating null byte from being added to either a hostname or path buffer, or (2) contain a "?" separator in the hostname portion, which causes a "/" to be prepended to the resulting string.

The bug was discovered 12/07/2005. The weakness was released 12/07/2005 by Stefan Esser with Hardened-PHP Project (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2005-4077 since 12/08/2005. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 21973 (CentOS 4 : curl (CESA-2005:875)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115357 (Apple Mac OS X Security Update 2006-003 Not Installed (APPLE-SA-2006-05-11)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (23538), Tenable (21973), SecurityFocus (BID 15756†), OSVDB (21509†) and Secunia (SA17907†). Entries connected to this vulnerability are available at VDB-26531, VDB-30221, VDB-30220 and VDB-30219. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21973
Nessus Name: CentOS 4 : curl (CESA-2005:875)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56011
OpenVAS Name: Debian Security Advisory DSA 919-1 (curl)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/07/2005 🔍
12/07/2005 +0 days 🔍
12/07/2005 +0 days 🔍
12/07/2005 +0 days 🔍
12/08/2005 +1 days 🔍
12/18/2005 +10 days 🔍
12/22/2005 +4 days 🔍
07/05/2006 +195 days 🔍
03/11/2015 +3171 days 🔍
06/22/2025 +3756 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Researcher: Stefan Esser
Organization: Hardened-PHP Project
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-4077 (🔍)
GCVE (CVE): GCVE-0-2005-4077
GCVE (VulDB): GCVE-100-27361

OVAL: 🔍

X-Force: 23538
SecurityFocus: 15756 - cURL / libcURL URL Parser Buffer Overflow Vulnerability
Secunia: 17907
OSVDB: 21509 - cURL URL parser off-by-one buffer overflow
Vulnerability Center: 10010 - Libcurl Local Buffer Overflow via Malformed URL, Medium
Vupen: ADV-2005-2791

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/22/2025 17:41
Changes: 03/11/2015 23:39 (73), 08/02/2019 11:38 (9), 06/22/2025 17:41 (20)
Complete: 🔍
Cache ID: 216:D67:103

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

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