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CVE-2019-13627

libgcrypt: ECDSA timing attack allowing private key leak

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Libgcrypt20 Project and 2 more
Products
Ubuntu Linux Debian Linux Libgcrypt20 and 2 more
CVE-2019-12900

bzip2: bzip2: Data integrity error when decompressing (with data integrity tests fail).

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

CVSS 3.1 · 9.8 Critical EPSS 8.0% KEV · Not listed
Vendors
Bzip Canonical Debian and 4 more
Products
Bzip2 Ubuntu Linux Debian Linux and 6 more
CVE-2019-10160

python: regression of CVE-2019-9636 due to functional fix to allow port numbers in netloc

A security regression of CVE-2019-9636 was discovered in python since commit d537ab0ff9767ef024f26246899728f0116b1ec3 affecting versions 2.7, 3.5, 3.6, 3.7 and from v3.8.0a4 through v3.8.0b1, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL. When an application parses user-supplied URLs to store cookies, authentication credentials, or other kind of information, it is possible for an attacker to provide specially crafted URLs to make the application locate host-related information (e.g. cookies, authentication data) and send them to a different host than where it should, unlike if the URLs had been correctly parsed. The result of an attack may vary based on the application.

CVSS 3.1 · 9.8 Critical EPSS 5.2% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 4 more
Products
Ubuntu Linux Debian Linux Fedora and 13 more
CVE-2018-20843

expat: large number of colons in input makes parser consume high amount of resources, leading to DoS

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).

CVSS 3.1 · 7.5 High EPSS 7.1% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 5 more
Products
Ubuntu Linux Debian Linux Fedora and 9 more
CVE-2018-14567

libxml2: Infinite loop caused by incorrect error detection during LZMA decompression

libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035 and CVE-2018-9251.

CVSS 3.0 · 6.5 Medium EPSS 4.3% KEV · Not listed
Vendors
Canonical Debian Redhat and 1 more
Products
Ubuntu Linux Debian Linux Ansible Tower and 2 more
CVE-2018-14404

libxml2: NULL pointer dereference in xmlXPathCompOpEval() function in xpath.c

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.

CVSS 3.1 · 6.5 Medium EPSS 3.8% KEV · Not listed
Vendors
Canonical Debian Redhat and 1 more
Products
Ubuntu Linux Debian Linux Ansible Tower and 3 more
CVE-2018-0495

ROHNP: Key Extraction Side Channel in Multiple Crypto Libraries

Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.

CVSS 3.0 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Gnupg and 2 more
Products
Ubuntu Linux Debian Linux Libgcrypt and 11 more
CVE-2017-9050

libxml2: Heap-based buffer over-read in function xmlDictAddString

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.

CVSS 3.1 · 7.5 High EPSS 4.6% KEV · Not listed
Vendors
Redhat Xmlsoft
Products
Jboss Core Services Libxml2
CVE-2017-9049

libxml2: Heap-based buffer over-read in function xmlDictComputeFastKey

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a heap-based buffer over-read in the xmlDictComputeFastKey function in dict.c. This vulnerability causes programs that use libxml2, such as PHP, to crash. This vulnerability exists because of an incomplete fix for libxml2 Bug 759398.

CVSS 3.1 · 7.5 High EPSS 4.6% KEV · Not listed
Vendors
Redhat Xmlsoft
Products
Jboss Core Services Libxml2
CVE-2017-9048

libxml2: Stack-based buffer overflow in function xmlSnprintfElementContent

libxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a stack-based buffer overflow. The function xmlSnprintfElementContent in valid.c is supposed to recursively dump the element content definition into a char buffer 'buf' of size 'size'. At the end of the routine, the function may strcat two more characters without checking whether the current strlen(buf) + 2 < size. This vulnerability causes programs that use libxml2, such as PHP, to crash.

CVSS 3.1 · 7.5 High EPSS 4.8% KEV · Not listed
Vendors
Redhat Xmlsoft
Products
Jboss Core Services Libxml2
CVE-2017-9047

libxml2: Buffer overflow in function xmlSnprintfElementContent

A buffer overflow was discovered in libxml2 20904-GITv2.9.4-16-g0741801. The function xmlSnprintfElementContent in valid.c is supposed to recursively dump the element content definition into a char buffer 'buf' of size 'size'. The variable len is assigned strlen(buf). If the content->type is XML_ELEMENT_CONTENT_ELEMENT, then (i) the content->prefix is appended to buf (if it actually fits) whereupon (ii) content->name is written to the buffer. However, the check for whether the content->name actually fits also uses 'len' rather than the updated buffer length strlen(buf). This allows us to write about "size" many bytes beyond the allocated memory. This vulnerability causes programs that use libxml2, such as PHP, to crash.

CVSS 3.0 · 7.5 High EPSS 3.2% KEV · Not listed
Vendors
Redhat Xmlsoft
Products
Jboss Core Services Libxml2
CVE-2017-18258

libxml2: Unrestricted memory usage in xz_head() function in xzlib.c

The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.

CVSS 3.0 · 6.5 Medium EPSS 2.7% KEV · Not listed
Vendors
Redhat Xmlsoft
Products
Ansible Tower Enterprise Linux Jboss Core Services and 1 more
CVE-2017-15422

chromium-browser: integer overflow in icu

Integer overflow in international date handling in International Components for Unicode (ICU) for C/C++ before 60.1, as used in V8 in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.

CVSS 3.0 · 6.5 Medium EPSS 2.5% KEV · Not listed
Vendors
Canonical Debian Google and 2 more
Products
Ubuntu Linux Debian Linux Chrome and 5 more
CVE-2016-9318

libxml2: XML External Entity vulnerability

libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct XML External Entity (XXE) attacks via a crafted document.

CVSS 3.1 · 5.5 Medium EPSS 2.9% KEV · Not listed
Vendors
Canonical Redhat Xmlsec Project and 1 more
Products
Ubuntu Linux Jboss Core Services Xmlsec and 1 more
CVE-2016-5131

libxml2: Use after free triggered by XPointer paths beginning with range-to

Use-after-free vulnerability in libxml2 through 2.9.4, as used in Google Chrome before 52.0.2743.82, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to the XPointer range-to function.

CVSS 3.1 · 8.8 High EPSS 2.3% KEV · Not listed
Vendors
Apple Canonical Debian and 5 more
Products
Iphone Os Mac Os X Tvos and 15 more
CVE-2016-4658

libxml2: Use after free via namespace node in XPointer ranges

xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3, and other products) does not forbid namespace nodes in XPointer ranges, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and memory corruption) via a crafted XML document.

CVSS 3.0 · 9.8 Critical EPSS 8.6% KEV · Not listed
Vendors
Apple Redhat Xmlsoft
Products
Iphone Os Mac Os X Tvos and 3 more
CVE-2016-10739

glibc: getaddrinfo should reject IP addresses with trailing characters

In the GNU C Library (aka glibc or libc6) through 2.28, the getaddrinfo function would successfully parse a string that contained an IPv4 address followed by whitespace and arbitrary characters, which could lead applications to incorrectly assume that it had parsed a valid string, without the possibility of embedded HTTP headers or other potentially dangerous substrings.

CVSS 3.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Gnu Opensuse Redhat
Products
Glibc Leap Ansible Tower and 1 more
CVE-2016-10228

glibc: iconv program can hang when invoked with the -c option

The iconv program in the GNU C Library (aka glibc or libc6) 2.31 and earlier, when invoked with multiple suffixes in the destination encoding (TRANSLATE or IGNORE) along with the -c option, enters an infinite loop when processing invalid multi-byte input sequences, leading to a denial of service.

CVSS 3.0 · 5.9 Medium EPSS 4.1% KEV · Not listed
Vendors
Gnu Redhat
Products
Glibc Enterprise Linux
CVE-2015-20107

python: mailcap: findmatch() function does not sanitize the second argument

In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This may allow attackers to inject shell commands into applications that call mailcap.findmatch with untrusted input (if they lack validation of user-provided filenames or arguments). The fix is also back-ported to 3.7, 3.8, 3.9

CVSS 3.1 · 7.8 High EPSS 2.8% KEV · Not listed
Vendors
Fedoraproject Netapp Python and 1 more
Products
Fedora Active Iq Unified Manager Ontap Select Deploy Administration Utility and 4 more