Samba up to 4.10.16/4.11.10/4.12.3 AD LDAP Server use after free
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.1 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Samba up to 4.10.16/4.11.10/4.12.3 (File Transfer Software). This affects an unknown code of the component AD LDAP Server. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode, the affected code is shipped with the libldb package. This flaw allows an authenticated user to possibly trigger a use-after-free or NULL pointer dereference. The highest threat from this vulnerability is to system availability.
The weakness was disclosed 07/07/2020 as Bug 1849489 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2020-10730 since 03/20/2020. It is possible to initiate the attack remotely. A authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 4.10.17, 4.11.11 or 4.12.4 eliminates this vulnerability.
The entry 157708 is pretty similar.
Product
Type
Name
Version
- 4.10.0
- 4.10.1
- 4.10.2
- 4.10.3
- 4.10.4
- 4.10.5
- 4.10.6
- 4.10.7
- 4.10.8
- 4.10.9
- 4.10.10
- 4.10.11
- 4.10.12
- 4.10.13
- 4.10.14
- 4.10.15
- 4.10.16
- 4.11.0
- 4.11.1
- 4.11.2
- 4.11.3
- 4.11.4
- 4.11.5
- 4.11.6
- 4.11.7
- 4.11.8
- 4.11.9
- 4.11.10
- 4.12.0
- 4.12.1
- 4.12.2
- 4.12.3
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: 6.4VulDB Meta Temp Score: 6.2
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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: Use after freeCWE: CWE-416 / CWE-119
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: 🔍
0-Day Time: 🔍
Upgrade: Samba 4.10.17/4.11.11/4.12.4
Timeline
03/20/2020 🔍07/07/2020 🔍
07/08/2020 🔍
07/08/2020 🔍
Sources
Product: samba.orgAdvisory: Bug 1849489
Status: Not defined
CVE: CVE-2020-10730 (🔍)
See also: 🔍
Entry
Created: 07/08/2020 08:47Updated: 07/08/2020 08:52
Changes: 07/08/2020 08:47 (42), 07/08/2020 08:52 (18)
Complete: 🔍
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