Bareos Director up to 16.2.10/17.2.9/18.2.8/19.2.7 Job Verification heap-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.9 | $0-$5k | 0.00 |
A vulnerability was found in Bareos Director up to 16.2.10/17.2.9/18.2.8/19.2.7. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Job Verification Handler. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
In Bareos Director less than or equal to 16.2.10, 17.2.9, 18.2.8, and 19.2.7, a heap overflow allows a malicious client to corrupt the director's memory via oversized digest strings sent during initialization of a verify job. Disabling verify jobs mitigates the problem. This issue is also patched in Bareos versions 19.2.8, 18.2.9 and 17.2.10.
The weakness was released 07/10/2020 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2020-11061 since 03/30/2020. The attack can be launched remotely. A single authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 17.2.10, 18.2.9 or 19.2.8 eliminates this vulnerability.
Product
Vendor
Name
Version
- 16.2.0
- 16.2.1
- 16.2.2
- 16.2.3
- 16.2.4
- 16.2.5
- 16.2.6
- 16.2.7
- 16.2.8
- 16.2.9
- 16.2.10
- 17.2.0
- 17.2.1
- 17.2.2
- 17.2.3
- 17.2.4
- 17.2.5
- 17.2.6
- 17.2.7
- 17.2.8
- 17.2.9
- 18.2.0
- 18.2.1
- 18.2.2
- 18.2.3
- 18.2.4
- 18.2.5
- 18.2.6
- 18.2.7
- 18.2.8
- 19.2.0
- 19.2.1
- 19.2.2
- 19.2.3
- 19.2.4
- 19.2.5
- 19.2.6
- 19.2.7
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.3
VulDB Base Score: 7.4
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.0
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Heap-based overflowCWE: CWE-122 / CWE-119
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 |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Director 17.2.10/18.2.9/19.2.8
Timeline
03/30/2020 🔍07/10/2020 🔍
07/11/2020 🔍
10/29/2020 🔍
Sources
Advisory: github.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2020-11061 (🔍)
Entry
Created: 07/11/2020 07:49Updated: 10/29/2020 11:48
Changes: 07/11/2020 07:49 (39), 07/11/2020 07:54 (11), 10/29/2020 11:41 (1), 10/29/2020 11:48 (1)
Complete: 🔍
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