OpenSSL up to 0.9.8m TLS Connection ssl/s3_pkt.c null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in OpenSSL up to 0.9.8m. The affected element is an unknown function of the file ssl/s3_pkt.c of the component TLS Connection Handler. Such manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2010-0740. The attack can be launched remotely. Moreover, an exploit is present. Upgrading the affected component is recommended.
Details
A vulnerability was found in OpenSSL up to 0.9.8m (Network Encryption Software). It has been rated as problematic. Affected by this issue is an unknown code block of the file ssl/s3_pkt.c of the component TLS Connection Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.
The weakness was disclosed 03/24/2010 as 20100324.txt. The advisory is available at openssl.org. This vulnerability is handled as CVE-2010-0740. Technical details as well as a public exploit are known.
The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 78126 (F5 Networks BIG-IP : OpenSSL vulnerability (SOL11533)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119352 (Apple Mac OS X v10.6.8 and Security Update 2011-004 Not Installed (APPLE-SA-2011-06-23-1)).
Upgrading to version 0.9.8n eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at openssl.org. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the databases at Exploit-DB (12334), Tenable (78126) and SecurityTracker (ID 1023748†). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
License
Support
- end of life (old version)
Website
- Product: https://www.openssl.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 78126
Nessus Name: F5 Networks BIG-IP : OpenSSL vulnerability (SOL11533)
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: OpenSSL 0.9.8n
Patch: openssl.org
Timeline
02/26/2010 🔍03/24/2010 🔍
10/10/2014 🔍
02/21/2022 🔍
01/19/2025 🔍
Sources
Product: openssl.orgAdvisory: 20100324.txt
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2010-0740 (🔍)
GCVE (CVE): GCVE-0-2010-0740
GCVE (VulDB): GCVE-100-193562
Secunia: 39932
SecurityTracker: 1023748
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/21/2022 11:54Updated: 01/19/2025 19:52
Changes: 02/21/2022 11:54 (41), 02/22/2022 14:54 (1), 02/25/2022 09:07 (4), 02/25/2022 09:11 (7), 06/10/2024 10:33 (19), 11/11/2024 11:52 (11), 12/29/2024 06:43 (1), 01/19/2025 19:52 (2)
Complete: 🔍
Cache ID: 216:C36:103
If you want to get best quality of vulnerability data, you may have to visit VulDB.