cURL/libcURL up to 7.10.8 OpenSSL Module lib/ssluse.c cryptographic issues
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.6 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in cURL and libcURL up to 7.10.8 (Network Utility Software). Affected by this issue is an unknown part in the library lib/ssluse.c of the component OpenSSL Module. The manipulation with an unknown input leads to a cryptographic issues vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability. CVE summarizes:
lib/ssluse.c in cURL and libcurl 7.4 through 7.19.5, when OpenSSL is used, does not properly handle a \0 character in a domain name in the subject s Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
The weakness was published 08/14/2009 (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2009-2417 since 07/09/2009. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 67910 (Oracle Linux 3 / 4 / 5 : curl (ELSA-2009-1209)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117331 (Apple Mac OS X Security Update 2010-002 Not Installed (APPLE-SA-2010-03-29-1)).
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 (52405) and Tenable (67910). Similar entries are available at 48189, 52475, 52443 and 52442.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Cryptographic issuesCWE: CWE-310
ATT&CK: T1600
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 67910
Nessus Name: Oracle Linux 3 / 4 / 5 : curl (ELSA-2009-1209)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍
OpenVAS ID: 64752
OpenVAS Name: Debian Security Advisory DSA 1869-1 (curl)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
07/09/2009 🔍08/12/2009 🔍
08/12/2009 🔍
08/12/2009 🔍
08/13/2009 🔍
08/14/2009 🔍
08/14/2009 🔍
08/24/2009 🔍
07/12/2013 🔍
03/18/2015 🔍
03/18/2019 🔍
Sources
Advisory: securityfocus.com⛔Status: Not defined
Confirmation: 🔍
CVE: CVE-2009-2417 (🔍)
OVAL: 🔍
X-Force: 52405
Vulnerability Center: 23269 - cURL and Libcurl Domain Name \x27\\0\x27 Character Certificate Validation Man-in-the-Middle Attack, High
SecurityFocus: 36032 - cURL / libcURL NULL Character CA SSL Certificate Validation Security Bypass Vulnerability
Secunia: 36238 - cURL OpenSSL NULL Character Spoofing Vulnerability, Moderately Critical
Vupen: ADV-2009-2263
See also: 🔍
Entry
Created: 03/18/2015 15:15Updated: 03/18/2019 20:44
Changes: 03/18/2015 15:15 (72), 03/18/2019 20:44 (10)
Complete: 🔍
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