CVE-2017-12762
published 2017-08-09CVE-2017-12762: In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a…
PriorityP350critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
5.23%
91.7th percentile
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | linux | < linux 4.13.4-1 (bookworm) | linux 4.13.4-1 (bookworm) |
| linux | linux_kernel | >= 0 < 4.13.4-1 | 4.13.4-1 |
| linux | linux_kernel | >= 0 < 4.13.4-1 | 4.13.4-1 |
| linux | linux_kernel | >= 0 < 4.13.4-1 | 4.13.4-1 |
| linux | linux_kernel | >= 0 < 4.13.4-1 | 4.13.4-1 |
| linux | linux_kernel | >= 0 < 3.13.0-144.193 | 3.13.0-144.193 |
| linux | linux_kernel | >= 0 < 4.4.0-96.119 | 4.4.0-96.119 |
| linux | linux_kernel | >= 3.18 < 3.18.64 | 3.18.64 |
| linux | linux_kernel | 3.19 – 4.4.80 | — |
| linux | linux_kernel | 4.10 – 4.12.5 | — |
| linux | linux_kernel | 4.5 – 4.9.41 | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
osv9.8CRITICAL
vendor_debian9.8LOW
vendor_redhat9.8CRITICAL
vendor_ubuntu8.0HIGH
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Ubuntu
Linux kernel (Trusty HWE) vulnerabilities
vendor_ubuntu·2018-04-05·CVSS 7.5
CVE-2017-11089 [HIGH] Linux kernel (Trusty HWE) vulnerabilities
Title: Linux kernel (Trusty HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3620-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu
12.04 ESM.
Jann Horn discovered that microprocessors utilizing speculative execution
and branch prediction may allow unauthorized memory reads via sidechannel
attacks. This flaw is known as Spectre. A local attacker could use this to
expose sensitive information, including kernel memory. (CVE-2017-5715)
It was discovered that the netlink 802.11 configuration interface in the
Linux kernel did not properly validate some attributes passed from
userspace. A local attacker with th
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2018-04-04·CVSS 7.5
CVE-2017-11089 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the netlink 802.11 configuration interface in the
Linux kernel did not properly validate some attributes passed from
userspace. A local attacker with the CAP_NET_ADMIN privilege could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-11089)
It was discovered that a buffer overflow existed in the ioctl handling code
in the ISDN subsystem of the Linux kernel. A local attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-12762)
It was discovered that the netfilter component of the Linux did not
properly restrict access to the connection tracking helpers list.
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2017-09-18·CVSS 8.0
CVE-2017-1000251 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that a buffer overflow existed in the Bluetooth stack of
the Linux kernel when handling L2CAP configuration responses. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2017-1000251)
It was discovered that the Flash-Friendly File System (f2fs) implementation
in the Linux kernel did not properly validate superblock metadata. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2017-10663)
It was discovered that a buffer overflow existed in the ioctl handling code
in the ISDN subsystem of the Linux kernel. A local attacker could use this
to cause a denial of ser
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities
vendor_ubuntu·2017-09-18·CVSS 8.0
CVE-2017-1000251 [HIGH] Linux kernel (Xenial HWE) vulnerabilities
Title: Linux kernel (Xenial HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3420-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.
It was discovered that a buffer overflow existed in the Bluetooth stack of
the Linux kernel when handling L2CAP configuration responses. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2017-1000251)
It was discovered that the Flash-Friendly File System (f2fs) implementation
in the Linux kernel did not properly validate superblock metadata. A local
attacker could use this to cause a denial of service (system crash) or
Red Hat
kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver
vendor_redhat·2017-08-03·CVSS 9.8
CVE-2017-12762 [CRITICAL] CWE-120 kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver
kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
A buffer overflow was found in the Linux kernel's isdn_net_newslave() function in the /drivers/isdn/i4l/isdn_net.c file. An overflow happens when the user-controlled buffer is copied into a local buffer of constant size using strcpy() without a length check.
Statement: This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. This has been rated as having Low security impact
Debian
CVE-2017-12762: linux - In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local...
vendor_debian·2017·CVSS 9.8
CVE-2017-12762 [CRITICAL] CVE-2017-12762: linux - In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local...
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
Scope: local
bookworm: resolved (fixed in 4.13.4-1)
bullseye: resolved (fixed in 4.13.4-1)
forky: resolved (fixed in 4.13.4-1)
sid: resolved (fixed in 4.13.4-1)
trixie: resolved (fixed in 4.13.4-1)
GHSA
GHSA-m7h9-fqp3-w3g5: In /drivers/isdn/i4l/isdn_net
ghsa_unreviewed·2022-05-14
CVE-2017-12762 [CRITICAL] CWE-119 GHSA-m7h9-fqp3-w3g5: In /drivers/isdn/i4l/isdn_net
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
OSV
linux vulnerabilities
osv·2018-04-04·CVSS 7.5
CVE-2017-11089 [HIGH] linux vulnerabilities
linux vulnerabilities
It was discovered that the netlink 802.11 configuration interface in the
Linux kernel did not properly validate some attributes passed from
userspace. A local attacker with the CAP_NET_ADMIN privilege could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-11089)
It was discovered that a buffer overflow existed in the ioctl handling code
in the ISDN subsystem of the Linux kernel. A local attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-12762)
It was discovered that the netfilter component of the Linux did not
properly restrict access to the connection tracking helpers list. A local
attacker could use this to bypass intended access restrictions.
(CVE-201
OSV
linux-lts-xenial vulnerabilities
osv·2017-09-18·CVSS 8.0
CVE-2017-1000251 [HIGH] linux-lts-xenial vulnerabilities
linux-lts-xenial vulnerabilities
USN-3420-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.
It was discovered that a buffer overflow existed in the Bluetooth stack of
the Linux kernel when handling L2CAP configuration responses. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2017-1000251)
It was discovered that the Flash-Friendly File System (f2fs) implementation
in the Linux kernel did not properly validate superblock metadata. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2017-10663)
It was discovered that a buffe
OSV
linux, linux-aws, linux-gke, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
osv·2017-09-18·CVSS 8.0
CVE-2017-1000251 [HIGH] linux, linux-aws, linux-gke, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
linux, linux-aws, linux-gke, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
It was discovered that a buffer overflow existed in the Bluetooth stack of
the Linux kernel when handling L2CAP configuration responses. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2017-1000251)
It was discovered that the Flash-Friendly File System (f2fs) implementation
in the Linux kernel did not properly validate superblock metadata. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2017-10663)
It was discovered that a buffer overflow existed in the ioctl handling code
in the ISDN subsystem of the Linux kernel. A local attacker could use this
to cause a denial of service (system cr
OSV
CVE-2017-12762: In /drivers/isdn/i4l/isdn_net
osv·2017-08-09·CVSS 9.8
CVE-2017-12762 [CRITICAL] CVE-2017-12762: In /drivers/isdn/i4l/isdn_net
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-12762 kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver
bugzilla·2017-08-14·CVSS 9.8
CVE-2017-12762 [CRITICAL] CVE-2017-12762 kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver
CVE-2017-12762 kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver
A buffer overflow was found in the Linux kernel in isdn_net_newslave() function in /drivers/isdn/i4l/isdn_net.c file. An overflow happens when user-controlled buffer is copied into a local buffer of constant size using strcpy() without a length check.
References:
http://seclists.org/oss-sec/2017/q3/274
https://patchwork.kernel.org/patch/9880041/
Upstream patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9f5af546e6acc30f075828cb58c7f09665033967
Discussion:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1481179]
---
This issue was fixed in kernel 4.12.5, currently available to all supported Fedora releases.
---
Statement:
This issue affects
Bugzilla
CVE-2017-12762 kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver [fedora-all]
bugzilla·2017-08-14·CVSS 9.8
CVE-2017-12762 [CRITICAL] CVE-2017-12762 kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver [fedora-all]
CVE-2017-12762 kernel: Buffer overflow due to unbounded strcpy in ISDN I4L driver [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple s
http://www.openwall.com/lists/oss-security/2020/02/11/1http://www.openwall.com/lists/oss-security/2020/02/11/2http://www.openwall.com/lists/oss-security/2020/02/14/4http://www.securityfocus.com/bid/100251https://patchwork.kernel.org/patch/9880041/https://usn.ubuntu.com/3620-1/https://usn.ubuntu.com/3620-2/http://www.openwall.com/lists/oss-security/2020/02/11/1http://www.openwall.com/lists/oss-security/2020/02/11/2http://www.openwall.com/lists/oss-security/2020/02/14/4http://www.securityfocus.com/bid/100251https://patchwork.kernel.org/patch/9880041/https://usn.ubuntu.com/3620-1/https://usn.ubuntu.com/3620-2/
2017-08-09
Published