CVE Vulnerability

CVE-2019-10638

In the Linux kernel before 5.1.7, a device can be tracked by an attacker using the IP ID values the kernel produces for connection-less protocols (e.g., UDP and ICMP). When such traffic is sent to multiple destination IP addresses, it is possible to obtain hash collisions (of indices to the counter array) and thereby obtain the hashing key (via enumeration). An attack may be conducted by hosting a crafted web page that uses WebRTC or gQUIC to force UDP traffic to attacker-controlled IP addresses.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.7 Mailing List Release Notes
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8 Mailing List Release Notes
https://github.com/torvalds/linux/commit/55f0fc7a02de8f12757f4937143d8d5091b2e40b Patch Third Party Advisory
https://arxiv.org/pdf/1906.10478.pdf Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=355b98553789b646ed97ad801a619ff898471b92 Mailing List Patch
https://github.com/torvalds/linux/commit/df453700e8d81b1bdafdf684365ee2b9431fb702 Patch Third Party Advisory
https://github.com/torvalds/linux/commit/355b98553789b646ed97ad801a619ff898471b92 Patch Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df453700e8d81b1bdafdf684365ee2b9431fb702 Mailing List Patch
http://www.securityfocus.com/bid/109092 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
https://security.netapp.com/advisory/ntap-20190806-0001/
https://www.debian.org/security/2019/dsa-4495
https://seclists.org/bugtraq/2019/Aug/13
https://www.debian.org/security/2019/dsa-4497
https://seclists.org/bugtraq/2019/Aug/18
https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
https://usn.ubuntu.com/4114-1/
https://usn.ubuntu.com/4117-1/
https://usn.ubuntu.com/4116-1/
https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4118-1/
https://access.redhat.com/errata/RHSA-2019:3309
https://access.redhat.com/errata/RHSA-2019:3517
https://seclists.org/bugtraq/2019/Nov/11
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
https://www.oracle.com/security-alerts/cpuApr2021.html
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Information

Published : 2019-07-05 11:15

Updated : 2021-06-14 06:15

NVD link : CVE-2019-10638

Mitre link : CVE-2019-10638

Products Affected
No products.
CWE
CWE-326

Inadequate Encryption Strength