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CVE-2018-10938

kernel: infinite loop in net/ipv4/cipso_ipv4.c:cipso_v4_optptr() allows for DoS

A flaw was found in the Linux kernel present since v4.0-rc1 and through v4.13-rc4. A crafted network packet sent remotely by an attacker may force the kernel to enter an infinite loop in the cipso_v4_optptr() function in net/ipv4/cipso_ipv4.c leading to a denial-of-service. A certain non-default configuration of LSM (Linux Security Module) and NetLabel should be set up on a system before an attacker could leverage this flaw.

CVSS 3.0 · 5.9 Medium EPSS 4.9% KEV · Not listed
Vendors
Canonical Debian Linux
Products
Ubuntu Linux Debian Linux Linux Kernel
CVE-2018-10933

libssh: Authentication Bypass due to improper message callbacks implementation

A vulnerability was found in libssh's server-side state machine before versions 0.7.6 and 0.8.4. A malicious client could create channels without first performing authentication, resulting in unauthorized access.

CVSS 3.0 · 9.1 Critical EPSS 91.8% KEV · Not listed
Vendors
Canonical Debian Libssh and 3 more
Products
Ubuntu Linux Debian Linux Libssh and 7 more
CVE-2018-10925

postgresql: Missing authorization and memory disclosure in INSERT ... ON CONFLICT DO UPDATE statements

It was discovered that PostgreSQL versions before 10.5, 9.6.10, 9.5.14, 9.4.19, and 9.3.24 failed to properly check authorization on certain statements involved with "INSERT ... ON CONFLICT DO UPDATE". An attacker with "CREATE TABLE" privileges could exploit this to read arbitrary bytes server memory. If the attacker also had certain "INSERT" and limited "UPDATE" privileges to a particular table, they could exploit this to update other columns in the same table.

CVSS 3.1 · 8.1 High EPSS 2.2% KEV · Not listed
Vendors
Canonical Debian Postgresql and 1 more
Products
Ubuntu Linux Debian Linux Postgresql and 2 more
CVE-2018-10919

samba: Confidential attribute disclosure via substring search

The Samba Active Directory LDAP server was vulnerable to an information disclosure flaw because of missing access control checks. An authenticated attacker could use this flaw to extract confidential attribute values using LDAP search expressions. Samba versions before 4.6.16, 4.7.9 and 4.8.4 are vulnerable.

CVSS 3.0 · 4.3 Medium EPSS 2.2% KEV · Not listed
Vendors
Canonical Debian Samba
Products
Ubuntu Linux Debian Linux Samba
CVE-2018-10918

samba: DsCrackNames on a user without an SPN can trigger NULL-pointer de-reference

A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Directory Domain Controller configuration. Samba versions before 4.7.9 and 4.8.4 are vulnerable.

CVSS 3.0 · 5.2 Medium EPSS 2.5% KEV · Not listed
Vendors
Canonical Samba
Products
Ubuntu Linux Samba
CVE-2018-10916

lftp: particular remote file names may lead to current working directory erased

It has been discovered that lftp up to and including version 4.8.3 does not properly sanitize remote file names, leading to a loss of integrity on the local system when reverse mirroring is used. A remote attacker may trick a user to use reverse mirroring on an attacker controlled FTP server, resulting in the removal of all files in the current working directory of the victim's system.

CVSS 3.0 · 5.3 Medium EPSS 4.8% KEV · Not listed
Vendors
Canonical Lftp Project Opensuse and 1 more
Products
Ubuntu Linux Lftp Leap and 1 more
CVE-2018-10915

postgresql: Certain host connection parameters defeat client-side security defenses

A vulnerability was found in libpq, the default PostgreSQL client library where libpq failed to properly reset its internal state between connections. If an affected version of libpq was used with "host" or "hostaddr" connection parameters from untrusted input, attackers could bypass client-side connection security features, obtain access to higher privileged connections or potentially cause other impact through SQL injection, by causing the PQescape() functions to malfunction. Postgresql versions before 10.5, 9.6.10, 9.5.14, 9.4.19, and 9.3.24 are affected.

CVSS 3.0 · 8.5 High EPSS 5.1% KEV · Not listed
Vendors
Canonical Debian Postgresql and 1 more
Products
Ubuntu Linux Debian Linux Postgresql and 9 more
CVE-2018-10910

bluez: failure in disabling Bluetooth discoverability in certain cases may lead to the unauthorized pairing of Bluetooth devices

A bug in Bluez may allow for the Bluetooth Discoverable state being set to on when no Bluetooth agent is registered with the system. This situation could lead to the unauthorized pairing of certain Bluetooth devices without any form of authentication. Versions before bluez 5.51 are vulnerable.

CVSS 3.0 · 4.5 Medium EPSS < 1% KEV · Not listed
Vendors
Bluez Canonical Redhat
Products
Bluez Ubuntu Linux Enterprise Linux
CVE-2018-10903

python-cryptography: GCM tag forgery via truncated tag in finalize_with_tag API

A flaw was found in python-cryptography versions between >=1.9.0 and <2.3. The finalize_with_tag API did not enforce a minimum tag length. If a user did not validate the input length prior to passing it to finalize_with_tag an attacker could craft an invalid payload with a shortened tag (e.g. 1 byte) such that they would have a 1 in 256 chance of passing the MAC check. GCM tag forgeries can cause key leakage.

CVSS 3.0 · 7.5 High EPSS 3.2% KEV · Not listed
Vendors
Canonical Cryptography Redhat
Products
Ubuntu Linux Python-cryptography Openstack
CVE-2018-10902

kernel: MIDI driver race condition leads to a double-free

It was found that the raw midi kernel driver does not protect against concurrent access which leads to a double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status() which are part of snd_rawmidi_ioctl() handler in rawmidi.c file. A malicious local attacker could possibly use this for privilege escalation.

CVSS 3.0 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 7 more
CVE-2018-10883

kernel: stack-out-of-bounds write in jbd2_journal_dirty_metadata function

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.

CVSS 3.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 5 more
CVE-2018-10882

kernel: stack-out-of-bounds write infs/jbd2/transaction.c

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound write in in fs/jbd2/transaction.c code, a denial of service, and a system crash by unmounting a crafted ext4 filesystem image.

CVSS 3.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 1 more
CVE-2018-10881

kernel: out-of-bound access in ext4_get_group_info() when mounting and operating a crafted ext4 image

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bound access in ext4_get_group_info function, a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.

CVSS 3.0 · 4.2 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 7 more
CVE-2018-10880

kernel: stack-out-of-bounds write in ext4_update_inline_data function

Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4_update_inline_data(). An attacker could use this to cause a system crash and a denial of service.

CVSS 3.0 · 5.5 Medium EPSS 2.9% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 1 more
CVE-2018-10879

kernel: use-after-free detected in ext4_xattr_set_entry with a crafted file

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image.

CVSS 3.0 · 4.2 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 5 more
CVE-2018-10878

kernel: out-of-bound write in ext4_init_block_bitmap function with a crafted ext4 image

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified other impact is possible by mounting and operating a crafted ext4 filesystem image.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 5 more
CVE-2018-10877

kernel: out-of-bound access in ext4_ext_drop_refs function with a crafted ext4 image

Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.

CVSS 3.0 · 7.3 High EPSS 2.2% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 1 more
CVE-2018-10876

kernel: use-after-free in jbd2_journal_commit_transaction funtion

A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.

CVSS 3.0 · 5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux and 1 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 1 more
CVE-2018-10875

ansible: ansible.cfg is being read from current working directory allowing possible code execution

A flaw was found in ansible. ansible.cfg is read from the current working directory which can be altered to make it point to a plugin or a module path under the control of an attacker, thus allowing the attacker to execute arbitrary code.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Redhat and 1 more
Products
Ubuntu Linux Debian Linux Ansible Engine and 9 more
CVE-2018-10873

spice: Missing check in demarshal.py:write_validate_array_item() allows for buffer overflow and denial of service

A vulnerability was discovered in SPICE before version 0.14.1 where the generated code used for demarshalling messages lacked sufficient bounds checks. A malicious client or server, after authentication, could send specially crafted messages to its peer which would result in a crash or, potentially, other impacts.

CVSS 3.0 · 8.3 High EPSS 3.9% KEV · Not listed
Vendors
Canonical Debian Redhat and 1 more
Products
Ubuntu Linux Debian Linux Enterprise Linux and 9 more