CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in OpenSSL 1.1.0 (Network Encryption Software). Affected by this issue is the function dtls1_preprocess_fragment
of the component DTLS Handler. The manipulation with an unknown input leads to a memory allocation vulnerability. Using CWE to declare the problem leads to CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. Impacted is availability.
The weakness was published 09/22/2016 by Shi Lei with Qihoo 360 as 20160922.txt as confirmed advisory (Website). The advisory is available at openssl.org. This vulnerability is handled as CVE-2016-6308 since 07/26/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
Upgrading to version 1.1.0a eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Similar entries are available at 87879, 88080, 90937 and 90940.
Product
Type
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
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: Memory allocationCWE: CWE-789 / CWE-400 / CWE-404
ATT&CK: Unknown
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: OpenSSL 1.1.0a
Patch: df6b5e29ffea2d5a3e08de92fb765fdb21c7a21e
Timeline
07/26/2016 🔍09/22/2016 🔍
09/22/2016 🔍
09/23/2016 🔍
09/23/2016 🔍
09/20/2022 🔍
Sources
Product: openssl.orgAdvisory: 20160922.txt
Researcher: Shi Lei
Organization: Qihoo 360
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-6308 (🔍)
SecurityTracker: 1036885
SecurityFocus: 93151 - OpenSSL CVE-2016-6308 Denial of Service Vulnerability
See also: 🔍
Entry
Created: 09/23/2016 18:11Updated: 09/20/2022 11:06
Changes: 09/23/2016 18:11 (49), 07/07/2019 16:56 (7), 09/20/2022 11:00 (4), 09/20/2022 11:06 (18)
Complete: 🔍
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