CVE-2019-18805
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
An issue was discovered in net/ipv4/sysctl_net_ipv4.c in the Linux kernel before 5.0.11. There is a net/ipv4/tcp_input.c signed integer overflow in tcp_ack_update_rtt() when userspace writes a very large integer to /proc/sys/net/ipv4/tcp_min_rtt_wlen, leading to a denial of service or possibly unspecified other impact, aka CID-19fad20d15a6.
Overview
- CVE ID
- CVE-2019-18805
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2019-11-07T14:15:11
- Last Modified Date
- 2021-06-22T14:47:56
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.4 | 4.4.180 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.9 | 4.9.172 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.14 | 4.14.115 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.19 | 4.19.38 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.0 | 5.0.11 |
| cpe:2.3:o:linux:linux_kernel:5.1:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.1:rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.1:rc3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.1:rc4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.1:rc5:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.1:rc6:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.1:rc7:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* | 1 | OR | 11.0.0 | 11.60.3 |
| cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:netapp:aff_a700s_firmware:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:aff_a700s:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netapp:fas8300_firmware:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:fas8300:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netapp:fas8700_firmware:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:fas8700:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11 | Mailing List Patch Vendor Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19fad20d15a6494f47f85d869f00b11343ee5c78 | Mailing List Patch Vendor Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00039.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20191205-0001/ | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2020:0740 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-18805 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18805 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:10:29 | Added to TrackCVE | |||
| 2022-12-04 05:40:38 | 2019-11-07T14:15Z | 2019-11-07T14:15:11 | CVE Published Date | updated |
| 2022-12-04 05:40:38 | 2021-06-22T14:47:56 | CVE Modified Date | updated | |
| 2022-12-04 05:40:38 | Analyzed | Vulnerability Status | updated |