CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.1 | $0-$5k | 0.00 |
A vulnerability was found in GNU GnuTLS 1.0.16 (Network Encryption Software) and classified as critical. Affected by this issue is some unknown processing of the component Certificates. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:
X.509 Certificate Signature Verification in Gnu transport layer security library (GnuTLS) 1.0.16 allows remote attackers to cause a denial of service (CPU consumption) via certificates containing long chains and signed with large RSA keys.
The weakness was shared 08/02/2004 by Patrik Hornik (Website). The advisory is available at lists.gnupg.org. This vulnerability is handled as CVE-2004-2531 since 10/25/2005. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but an exploit is available.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.
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 vulnerability database at X-Force (16858). The entries VDB-70617, VDB-70632, VDB-70633 and VDB-74155 are related to this item.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.5
VulDB Temp Score: 7.1
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: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
08/02/2004 🔍08/02/2004 🔍
08/02/2004 🔍
08/02/2004 🔍
08/03/2004 🔍
12/31/2004 🔍
10/25/2005 🔍
03/09/2015 🔍
06/29/2018 🔍
Sources
Vendor: gnu.orgAdvisory: lists.gnupg.org
Researcher: Patrik Hornik
Status: Confirmed
CVE: CVE-2004-2531 (🔍)
X-Force: 16858 - GnuTLS RSA key size denial of service
SecurityTracker: 1010838
SecurityFocus: 10839 - Gnu Transport Layer Security Library X.509 Certificate Verification Denial Of Service Vulnerability
Secunia: 12156
OSVDB: 8278 - GnuTLS X.509 Certificate Signature Verification DoS
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 03/09/2015 16:55Updated: 06/29/2018 10:32
Changes: 03/09/2015 16:55 (64), 06/29/2018 10:32 (1)
Complete: 🔍
Cache ID: 52:B4E:103
No comments yet. Languages: en.
Please log in to comment.