Vulnerability Details : CVE-2018-20511
An issue was discovered in the Linux kernel before 4.18.11. The ipddp_ioctl function in drivers/net/appletalk/ipddp.c allows local users to obtain sensitive kernel address information by leveraging CAP_NET_ADMIN to read the ipddp_route dev and next fields via an SIOCFINDIPDDPRT ioctl call.
Vulnerability category: Information leak
Products affected by CVE-2018-20511
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20511
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20511
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-20511
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20511
-
https://usn.ubuntu.com/4094-1/
USN-4094-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/4118-1/
USN-4118-1: Linux kernel (AWS) vulnerabilities | Ubuntu security notices
-
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
[SECURITY] [DLA 1731-2] linux regression update
-
https://lkml.org/lkml/2018/9/27/480
LKML: Greg Kroah-Hartman: [PATCH 4.18 03/88] net/appletalk: fix minor pointer leak to userspace in SIOCFINDIPDDPRTPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
[SECURITY] [DLA 1731-1] linux security updateMailing List;Third Party Advisory
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https://github.com/torvalds/linux/commit/9824dfae5741275473a23a7ed5756c7b6efacc9d
net/appletalk: fix minor pointer leak to userspace in SIOCFINDIPDDPRT · torvalds/linux@9824dfa · GitHubPatch;Third Party Advisory
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https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.11
Release Notes;Vendor Advisory
-
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9824dfae5741275473a23a7ed5756c7b6efacc9d
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
http://www.securityfocus.com/bid/106347
Linux Kernel 'drivers/net/appletalk/ipddp.c ' Local Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
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