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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:103923
[Rus]
Version
4
Class
patch
ALTXid
287732
Language
English
Severity
High
Title
DLA-1862-1 -- linux security update
Description
Several vulnerabilities have been discovered in Linux Kernel that may lead to a privilege escalation, denial of service or information leaks.
Family
unix
Platform
Debian 8
Product
linux
Reference
VENDOR: DLA-1862-1
VENDOR: DLA-1862-1
Id:
DLA-1862-1
Reference:
https://lists.debian.org/debian-lts-announce/2019/debian-lts-announce-201907/msg00022.html
CVE: CVE-2019-2101
CVE: CVE-2019-2101
Id:
CVE-2019-2101
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2101
Comment
: In uvc_parse_standard_control of uvc_driver.c, there is a possible out-of-bound read due to improper input validation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-111760968.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE:
125 (Out-of-bounds Read)
References:
https://source.android.com/security/bulletin/2019-06-01 (CONFIRM)
[debian-lts-announce] 20190723 [SECURITY] [DLA 1862-1] linux security update (MLIST)
USN-4094-1 (UBUNTU)
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html (MISC)
USN-4118-1 (UBUNTU)
CVE: CVE-2019-10639
CVE: CVE-2019-10639
Id:
CVE-2019-10639
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10639
Comment
: The Linux kernel 4.x (starting from 4.1) and 5.x before 5.0.8 allows Information Exposure (partial kernel address disclosure), leading to a KASLR bypass. Specifically, it is possible to extract the KASLR kernel image offset 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). This key contains enough bits from a kernel address (of a static variable) so when the key is extracted (via enumeration), the offset of the kernel image is exposed. This attack can be carried out remotely, by the attacker forcing the target device to send UDP or ICMP (or certain other) traffic to attacker-controlled IP addresses. Forcing a server to send UDP traffic is trivial if the server is a DNS server. ICMP traffic is trivial if the server answers ICMP Echo requests (ping). For client targets, if the target visits the attacker's web page, then WebRTC or gQUIC can be used to force UDP traffic to attacker-controlled IP addresses. NOTE: this attack against KASLR became viable in 4.1 because IP ID generation was changed to have a dependency on an address associated with a network namespace.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
326 (Inadequate Encryption Strength)
References:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8 (MISC)
https://arxiv.org/pdf/1906.10478.pdf (MISC)
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=355b98553789b646ed97ad801a619ff898471b92 (MISC)
https://github.com/torvalds/linux/commit/355b98553789b646ed97ad801a619ff898471b92 (MISC)
openSUSE-SU-2019:1716 (SUSE)
openSUSE-SU-2019:1757 (SUSE)
[debian-lts-announce] 20190723 [SECURITY] [DLA 1862-1] linux security update (MLIST)
https://security.netapp.com/advisory/ntap-20190806-0001/ (CONFIRM)
DSA-4497 (DEBIAN)
20190813 [SECURITY] [DSA 4497-1] linux security update (BUGTRAQ)
[debian-lts-announce] 20190814 [SECURITY] [DLA 1885-1] linux-4.9 security update (MLIST)
https://support.f5.com/csp/article/K32804955 (CONFIRM)
USN-4115-1 (UBUNTU)
USN-4118-1 (UBUNTU)
https://www.oracle.com/security-alerts/cpuApr2021.html (MISC)
https://support.f5.com/csp/article/K32804955?utm_source=f5support&%3Butm_medium=RSS ()
CVE: CVE-2019-13272
CVE: CVE-2019-13272
Id:
CVE-2019-13272
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13272
Comment
: In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect marking of a ptrace relationship as privileged, which is exploitable through (for example) Polkit's pkexec helper with PTRACE_TRACEME. NOTE: SELinux deny_ptrace might be a usable workaround in some environments.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
269 (Improper Privilege Management)
References:
https://bugs.chromium.org/p/project-zero/issues/detail?id=1903 (MISC)
http://packetstormsecurity.com/files/153663/Linux-PTRACE_TRACEME-Broken-Permission-Object-Lifetime-Handling.html (MISC)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.17 (MISC)
https://github.com/torvalds/linux/commit/6994eefb0053799d2e07cd140df6c2ea106c41ee (MISC)
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6994eefb0053799d2e07cd140df6c2ea106c41ee (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1140671 (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1730895 (CONFIRM)
DSA-4484 (DEBIAN)
20190722 [SECURITY] [DSA 4484-1] linux security update (BUGTRAQ)
20190722 [slackware-security] Slackware 14.2 kernel (SSA:2019-202-01) (BUGTRAQ)
[debian-lts-announce] 20190723 [SECURITY] [DLA 1863-1] linux-4.9 security update (MLIST)
[debian-lts-announce] 20190723 [SECURITY] [DLA 1862-1] linux security update (MLIST)
http://packetstormsecurity.com/files/153702/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html (MISC)
https://security.netapp.com/advisory/ntap-20190806-0001/ (CONFIRM)
RHSA-2019:2405 (REDHAT)
RHSA-2019:2411 (REDHAT)
USN-4095-1 (UBUNTU)
USN-4094-1 (UBUNTU)
USN-4093-1 (UBUNTU)
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html (MISC)
https://support.f5.com/csp/article/K91025336 (CONFIRM)
USN-4117-1 (UBUNTU)
USN-4118-1 (UBUNTU)
RHSA-2019:2809 (REDHAT)
http://packetstormsecurity.com/files/154957/Linux-Polkit-pkexec-Helper-PTRACE_TRACEME-Local-Root.html (MISC)
http://packetstormsecurity.com/files/156929/Linux-PTRACE_TRACEME-Local-Root.html (MISC)
http://packetstormsecurity.com/files/165051/Linux-Kernel-5.1.x-PTRACE_TRACEME-pkexec-Local-Privilege-Escalation.html (MISC)
FEDORA-2019-a95015e60f ()
https://support.f5.com/csp/article/K91025336?utm_source=f5support&%3Butm_medium=RSS ()
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