ARM mbed TLS up to 2.16.11/2.27.x/3.0.0 mbedtls_ssl_set_session double free
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.04 |
A vulnerability was found in ARM mbed TLS up to 2.16.11/2.27.x/3.0.0 and classified as critical. This issue affects the function mbedtls_ssl_set_session
. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is confidentiality, integrity, and availability.
The weakness was presented 12/20/2021. The advisory is shared at bugs.gentoo.org. The identification of this vulnerability is CVE-2021-44732 since 12/08/2021. Technical details are known, but no exploit is available.
Upgrading to version 2.16.12, 2.28.0, 3.0.1 or 3.1.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.
Product
Vendor
Name
Version
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 2.9
- 2.10
- 2.11
- 2.12
- 2.13
- 2.14
- 2.15
- 2.16
- 2.16.0
- 2.16.1
- 2.16.2
- 2.16.3
- 2.16.4
- 2.16.5
- 2.16.6
- 2.16.7
- 2.16.8
- 2.16.9
- 2.16.10
- 2.16.11
- 2.17
- 2.18
- 2.19
- 2.20
- 2.21
- 2.22
- 2.23
- 2.24
- 2.25
- 2.26
- 2.27
- 3.0
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: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: 🔍
Exploiting
Class: Double freeCWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
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: 🔍
0-Day Time: 🔍
Upgrade: mbed TLS 2.16.12/2.28.0/3.0.1/3.1.0
Timeline
12/08/2021 🔍12/20/2021 🔍
12/20/2021 🔍
12/24/2021 🔍
Sources
Advisory: bugs.gentoo.orgStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-44732 (🔍)
Entry
Created: 12/20/2021 12:47Updated: 12/24/2021 22:28
Changes: 12/20/2021 12:47 (41), 12/24/2021 22:28 (1)
Complete: 🔍
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