CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Shibboleth Shibboleth-sp up to 2.4.2. It has been classified as critical. Affected is an unknown function. The manipulation leads to numeric error. This vulnerability is traded as CVE-2011-2516. There is no exploit available. It is recommended to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Details
A vulnerability was found in Shibboleth Shibboleth-sp up to 2.4.2 and classified as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is availability. The summary by CVE is:
Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as used in Shibboleth before 2.4.3 and possibly other products, allows remote attackers to cause a denial of service (crash) via a signature using a large RSA key, which triggers a buffer overflow.
The weakness was released 07/11/2011 by Paul (Website). It is possible to read the advisory at issues.apache.org. The identification of this vulnerability is CVE-2011-2516. 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 vulnerability scanner Nessus provides a plugin with the ID 55739 (Fedora 15 : xml-security-c-1.5.1-5.fc15 (2011-9494)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.
Upgrading to version 2.3.1 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (68420), Tenable (55739), SecurityFocus (BID 48611†), SecurityTracker (ID 1025755†) and Vulnerability Center (SBV-32284†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Numeric errorCWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 55739
Nessus Name: Fedora 15 : xml-security-c-1.5.1-5.fc15 (2011-9494)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 69983
OpenVAS Name: Debian Security Advisory DSA 2277-1 (xml-security-c)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Shibboleth-sp 2.3.1
Timeline
05/12/2011 🔍06/15/2011 🔍
07/07/2011 🔍
07/11/2011 🔍
07/11/2011 🔍
07/18/2011 🔍
08/01/2011 🔍
03/23/2015 🔍
12/28/2024 🔍
Sources
Advisory: dsa-2277Researcher: Paul
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2011-2516 (🔍)
GCVE (CVE): GCVE-0-2011-2516
GCVE (VulDB): GCVE-100-57911
OVAL: 🔍
X-Force: 68420
SecurityFocus: 48611 - Apache XML Security for C++ Signature Key Parsing Denial of Service Vulnerability
Secunia: 45151
SecurityTracker: 1025755
Vulnerability Center: 32284 - Apache XML Security for C++ in Shibboleth before 2.4.3 Remote Denial of Service Vulnerability, Medium
Entry
Created: 03/23/2015 04:50 PMUpdated: 12/28/2024 08:14 PM
Changes: 03/23/2015 04:50 PM (59), 03/27/2017 04:41 PM (10), 11/14/2021 09:47 AM (6), 11/14/2021 09:51 AM (1), 11/14/2021 09:52 AM (1), 12/28/2024 08:14 PM (17)
Complete: 🔍
Cache ID: 18:678:40
No comments yet. Languages: en.
Please log in to comment.