CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.3 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel (Operating System) (unknown version). It has been classified as problematic. This affects an unknown code block of the component Key Management. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:
A vulnerability was found in the Key Management sub component of the Linux kernel, where when trying to issue a KEYTCL_READ on negative key would lead to a NULL pointer dereference. A local attacker could use this flaw to crash the kernel.
The bug was discovered 10/17/2017. The weakness was presented 10/12/2017 as Bug 1493435 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2017-12192 since 08/01/2017. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 104180 (Amazon Linux AMI : kernel (ALAS-2017-914) (BlueBorne)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196961 (Ubuntu Security Notification for Linux, Linux-aws, Linux-gke, Linux-kvm, Linux-raspi2, Linux-snapdragon (USN-3469-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104180). See 102883, 102882, 107418 and 107802 for similar entries.
Product
Type
Vendor
Name
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: 4.4VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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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 |
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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: 🔍
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: 104180
Nessus Name: Amazon Linux AMI : kernel (ALAS-2017-914) (BlueBorne)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for linux-lts-xenial USN-3469-2
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
Exposure Time: 🔍
Patch: git.kernel.org
Timeline
08/01/2017 🔍10/11/2017 🔍
10/12/2017 🔍
10/12/2017 🔍
10/17/2017 🔍
10/26/2017 🔍
10/27/2017 🔍
01/03/2023 🔍
Sources
Vendor: kernel.orgAdvisory: Bug 1493435
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-12192 (🔍)
See also: 🔍
Entry
Created: 10/12/2017 10:25Updated: 01/03/2023 10:45
Changes: 10/12/2017 10:25 (74), 11/24/2019 08:33 (4), 01/03/2023 10:45 (4)
Complete: 🔍
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