GlusterFS up to 3.9 gf_attach.c send_brick_req null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in GlusterFS up to 3.9. Impacted is the function send_brick_req of the file glusterfsd/src/gf_attach.c. The manipulation leads to null pointer dereference.
This vulnerability is documented as CVE-2017-15096. The attack needs to be performed locally. There is not any exploit available.
It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, has been found in GlusterFS up to 3.9. This issue affects the function send_brick_req of the file glusterfsd/src/gf_attach.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:
A flaw was found in GlusterFS in versions prior to 3.10. A null pointer dereference in send_brick_req function in glusterfsd/src/gf_attach.c may be used to cause denial of service.
The bug was discovered 10/27/2017. The weakness was released 10/26/2017 (Website). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2017-15096 since 10/08/2017. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 104344 (Fedora 25 : glusterfs (2017-150762f6be)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276968 (Fedora Security Update for glusterfs (FEDORA-2017-a47c76eeb1)).
Upgrading to version 3.10 eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104344). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.3VulDB Meta Temp Score: 3.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 3.3
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
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 |
Nessus ID: 104344
Nessus Name: Fedora 25 : glusterfs (2017-150762f6be)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 867773
OpenVAS Name: Fedora Update for glusterfs FEDORA-2017-a47c76eeb1
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: GlusterFS 3.10
Timeline
10/08/2017 🔍10/26/2017 🔍
10/26/2017 🔍
10/27/2017 🔍
10/27/2017 🔍
11/01/2017 🔍
11/02/2017 🔍
01/04/2023 🔍
Sources
Advisory: FEDORA-2017-150762f6beStatus: Not defined
Confirmation: 🔍
CVE: CVE-2017-15096 (🔍)
GCVE (CVE): GCVE-0-2017-15096
GCVE (VulDB): GCVE-100-108641
Entry
Created: 10/27/2017 09:15Updated: 01/04/2023 14:51
Changes: 10/27/2017 09:15 (72), 11/30/2019 20:01 (3), 01/04/2023 14:51 (3)
Complete: 🔍
Cache ID: 216:D1C:103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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