Linux Kernel up to 5.3.8 vboxguest_utils.c crypto_reportstat resource consumption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.3.8 (Operating System). This issue affects the function crypto_reportstat
of the file drivers/virt/vboxguest/vboxguest_utils.c. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:
A memory leak in the crypto_reportstat() function in drivers/virt/vboxguest/vboxguest_utils.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering copy_form_user() failures, aka CID-e0b0cb938864.
The weakness was published 11/18/2019. The identification of this vulnerability is CVE-2019-19048 since 11/18/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Upgrading to version 5.3.9 eliminates this vulnerability.
Similar entries are available at 145869, 145868, 145867 and 145866.
Product
Type
Vendor
Name
Version
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: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / 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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 5.3.9
Patch: github.com
Timeline
11/18/2019 🔍11/18/2019 🔍
11/18/2019 🔍
02/23/2024 🔍
Sources
Vendor: kernel.orgAdvisory: e0b0cb9388642c104838fac100a4af32745621e2
Status: Not defined
CVE: CVE-2019-19048 (🔍)
See also: 🔍
Entry
Created: 11/18/2019 17:39Updated: 02/23/2024 08:38
Changes: 11/18/2019 17:39 (40), 11/18/2019 17:44 (18), 02/23/2024 08:35 (6), 02/23/2024 08:38 (1)
Complete: 🔍
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