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CVE-2020-13777

gnutls: session resumption works without master key allowing MITM

GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.

CVSS 3.1 · 7.4 High EPSS 22.5% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 2 more
Products
Ubuntu Linux Debian Linux Fedora and 4 more
CVE-2020-13776

systemd: Mishandles numerical usernames beginning with decimal digits or 0x followed by hexadecimal digits

systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Netapp Redhat and 1 more
Products
Fedora Active Iq Unified Manager Solidfire \& Hci Management Node and 3 more
CVE-2020-8177

curl: Incorrect argument check can allow remote servers to overwrite local files

curl 7.20.0 through 7.70.0 is vulnerable to improper restriction of names for files and other resources that can lead too overwriting a local file when the -J flag is used.

CVSS 3.1 · 7.8 High EPSS 1.3% KEV · Not listed
Vendors
Debian Fujitsu Haxx and 3 more
Products
Debian Linux M10-1 M10-1 Firmware and 16 more
CVE-2020-10878

perl: corruption of intermediate language state of compiled regular expression due to integer overflow leads to DoS

Perl before 5.30.3 has an integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection.

CVSS 3.1 · 8.6 High EPSS 4.9% KEV · Not listed
Vendors
Fedoraproject Netapp Opensuse and 3 more
Products
Fedora Oncommand Workflow Automation Snap Creator Framework and 19 more
CVE-2020-10735

python: int() type in PyLong_FromString() does not limit amount of digits converting text to int leading to DoS

A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using int("text"), a system could take 50ms to parse an int string with 100,000 digits and 5s for 1,000,000 digits (float, decimal, int.from_bytes(), and int() for binary bases 2, 4, 8, 16, and 32 are not affected). The highest threat from this vulnerability is to system availability.

CVSS 3.1 · 6.2 Medium EPSS 4.5% KEV · Not listed
Vendors
Fedoraproject Python Redhat
Products
Fedora Python Enterprise Linux and 4 more
CVE-2020-10029

glibc: stack corruption from crafted input in cosl, sinl, sincosl, and tanl functions

The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 4 more
Products
Ubuntu Linux Debian Linux Fedora and 15 more
CVE-2019-20907

python: infinite loop in the tarfile module via crafted TAR archive

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.

CVSS 3.1 · 5.5 Medium EPSS 3.0% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 5 more
Products
Ubuntu Linux Debian Linux Fedora and 12 more
CVE-2019-9948

python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms

urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('local_file:///etc/passwd') call.

CVSS 3.1 · 9.1 Critical EPSS 11.8% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 3 more
Products
Ubuntu Linux Debian Linux Fedora and 15 more
CVE-2019-9947

python: CRLF injection via the path part of the url passed to urlopen()

An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the path component of a URL that lacks a ? character) followed by an HTTP header or a Redis command. This is similar to the CVE-2019-9740 query string issue. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

CVSS 3.1 · 5.4 Medium EPSS 5.3% KEV · Not listed
Vendors
Python Redhat
Products
Python Ansible Tower Enterprise Linux and 5 more
CVE-2019-9740

python: CRLF injection via the query part of the url passed to urlopen()

An issue was discovered in urllib2 in Python 2.x through 2.7.16 and urllib in Python 3.x through 3.7.3. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the query string after a ? character) followed by an HTTP header or a Redis command. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

CVSS 3.1 · 6.5 Medium EPSS 5.4% KEV · Not listed
Vendors
Python Redhat
Products
Python Ansible Tower Enterprise Linux and 5 more
CVE-2019-9636

python: Information Disclosure due to urlsplit improper NFKC normalization

Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

CVSS 3.1 · 5.3 Medium EPSS 7.7% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 4 more
Products
Ubuntu Linux Debian Linux Fedora and 18 more
CVE-2019-3863

libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes

A flaw was found in libssh2 before 1.8.1 creating a vulnerability on the SSH client side. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used by the SSH client as an index to copy memory causing in an out of bounds memory write error.

CVSS 3.0 · 7.5 High EPSS 3.5% KEV · Not listed
Vendors
Debian Libssh2 Netapp and 2 more
Products
Debian Linux Libssh2 Ontap Select Deploy Administration Utility and 12 more
CVE-2019-3857

libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS 3.1 · 8.8 High EPSS 6.2% KEV · Not listed
Vendors
Debian Fedoraproject Libssh2 and 4 more
Products
Debian Linux Fedora Libssh2 and 14 more
CVE-2019-3856

libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write

An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS 3.1 · 8.8 High EPSS 6.2% KEV · Not listed
Vendors
Debian Fedoraproject Libssh2 and 4 more
Products
Debian Linux Fedora Libssh2 and 14 more
CVE-2019-3855

libssh2: Integer overflow in transport read resulting in out of bounds write

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS 3.1 · 8.8 High EPSS 9.3% KEV · Not listed
Vendors
Apple Debian Fedoraproject and 5 more
Products
Xcode Debian Linux Fedora and 15 more