Samba up to 4.16.10/4.17.9/4.18.4 mdssvc RPC Service sl_unpack_loop infinite loop
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Samba up to 4.16.10/4.17.9/4.18.4 (File Transfer Software). Affected is the function sl_unpack_loop
of the component mdssvc RPC Service. The manipulation with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability.
The weakness was disclosed 07/20/2023. The advisory is shared for download at samba.org. This vulnerability is traded as CVE-2023-34966 since 06/07/2023. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.
Upgrading to version 4.16.11, 4.17.10 or 4.18.5 eliminates this vulnerability.
Product
Type
Name
Version
- 4.16.0
- 4.16.1
- 4.16.2
- 4.16.3
- 4.16.4
- 4.16.5
- 4.16.6
- 4.16.7
- 4.16.8
- 4.16.9
- 4.16.10
- 4.17.0
- 4.17.1
- 4.17.2
- 4.17.3
- 4.17.4
- 4.17.5
- 4.17.6
- 4.17.7
- 4.17.8
- 4.17.9
- 4.18.0
- 4.18.1
- 4.18.2
- 4.18.3
- 4.18.4
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: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 🔍
Exploiting
Class: Infinite loopCWE: CWE-835 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
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 4.16.11/4.17.10/4.18.5
Timeline
06/07/2023 CVE reserved07/20/2023 Advisory disclosed
07/20/2023 VulDB entry created
08/15/2023 VulDB entry last update
Sources
Product: samba.orgAdvisory: FEDORA-2023-bcd91bfcd3
Status: Confirmed
CVE: CVE-2023-34966 (🔒)
Entry
Created: 07/20/2023 17:11Updated: 08/15/2023 14:25
Changes: 07/20/2023 17:11 (40), 08/15/2023 14:25 (2)
Complete: 🔍
Cache ID: 3:A23:103
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