Important: python-twisted-web

Issue Overview: In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined...

Important: ppp

Issue Overview: eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eaprequest and eapresponse functions.CVE-2020-8597 Affected Packages: ppp Issue Correction: Run yum update ppp or yum update --advisory ALAS-2020-1371 to update your system. New Packages: i686: ...

Medium: kernel-livepatch-4.14.171-136.231

Issue Overview: In the Linux kernel before 5.5.8, getrawsocket in drivers/vhost/net.c lacks validation of an skfamily field, which might allow attackers to trigger kernel stack corruption via crafted system calls. CVE-2020-10942 Affected Packages: kernel-livepatch-4.14.171-136.231 Issue Correctio...

Medium: kernel-livepatch-4.14.165-133.209

Issue Overview: In the Linux kernel before 5.5.8, getrawsocket in drivers/vhost/net.c lacks validation of an skfamily field, which might allow attackers to trigger kernel stack corruption via crafted system calls. CVE-2020-10942 Affected Packages: kernel-livepatch-4.14.165-133.209 Issue Correctio...

Medium: kernel-livepatch-4.14.165-131.185

Issue Overview: In the Linux kernel before 5.5.8, getrawsocket in drivers/vhost/net.c lacks validation of an skfamily field, which might allow attackers to trigger kernel stack corruption via crafted system calls. CVE-2020-10942 Affected Packages: kernel-livepatch-4.14.165-131.185 Issue Correctio...

Important: unbound

Issue Overview: A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as ...

Medium: python27

Issue Overview: http.cookiejar.DefaultPolicy.domainreturnok in Lib/http/cookiejar.py in Python before 3.7.3 does not correctly validate the domain: it can be tricked into sending existing cookies to the wrong server. An attacker may abuse this flaw by using a server with a hostname that has anoth...

Medium: krb5

Issue Overview: A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 aka krb5 before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type single-DES, triple-DES, or RC4, the attacker can crash the KDC by making an S4U2Self request.CVE-2018-20217 Affect...

Important: bind

Issue Overview: An assertion failure was found in BIND, which checks the validity of messages containing TSIG resource records. This flaw allows an attacker that knows or successfully guesses the name of the TSIG key used by the server to use a specially-crafted message, potentially causing a BIN...

Low: httpd

Issue Overview: In Apache HTTP Server 2.4.0 to 2.4.41, modproxyftp may use uninitialized memory when proxying to a malicious FTP server. CVE-2020-1934 In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with modrewrite that were intended to be self-referential might be fooled by encoded...

Critical: thunderbird

Issue Overview: The Mozilla Foundation Security Advisory describes this flaw as: On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in GMPDecodeData. It is possible that with enough effort this could have been exploited to run arbitrary code. Th...

Important: unbound

Issue Overview: infinite loop via malformed DNS answers received from upstream servers CVE-2020-12663 insufficient control of network message volume leads to DoS CVE-2020-12662 Affected Packages: unbound Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ secti...

Important: python-twisted-web

Issue Overview: In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request. CVE-2020-10109 In...

Medium: dovecot

Issue Overview: In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components. CVE-2019-7524 It was discovered that...

Important: kernel

Issue Overview: A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing the CIP...

Important: java-1.7.0-openjdk

Issue Overview: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Serialization. Supported versions that are affected are Java SE: 7u251, 8u241, 11.0.6 and 14; Java SE Embedded: 8u241. Difficult to exploit vulnerability allows unauthenticated attacker with networ...

Medium: php72

Issue Overview: In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.34, while parsing EXIF data with exifreaddata function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash...

Medium: expat

Issue Overview: Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code by providing a large amount of compressed XML data, a related issue to CVE-2015-1283. CVE-2015-2716 Affecte...

Medium: php73

Issue Overview: In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.34, while parsing EXIF data with exifreaddata function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash...

Important: kernel-livepatch-4.14.177-139.253

Issue Overview: A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing the CIP...

Important: kernel-livepatch-4.14.173-137.229

Issue Overview: A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing the CIP...

Important: kernel-livepatch-4.14.171-136.231

Issue Overview: A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing the CIP...

Important: java-1.7.0-openjdk

Issue Overview: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Serialization. Supported versions that are affected are Java SE: 7u251, 8u241, 11.0.6 and 14; Java SE Embedded: 8u241. Difficult to exploit vulnerability allows unauthenticated attacker with networ...

Important: kernel-livepatch-4.14.173-137.228

Issue Overview: A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing the CIP...

Important: ipa

Issue Overview: A flaw was found in IPA, all 4.6.x versions before 4.6.7, all 4.7.x versions before 4.7.4 and all 4.8.x versions before 4.8.3, in the way the internal function berscanf was used in some components of the IPA server, which parsed kerberos key data. An unauthenticated attacker who...

Important: kernel

Issue Overview: A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem. This flaw occurs while importing the Commercial IP Security Option CIPSO protocol's category bitmap into the SELinux extensible bitmap via the' ebitmapnetlblimport' routine. While processing the CIP...

Important: telnet

Issue Overview: utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions. CVE-2020-10188 Affected Packages: telnet Note: This advisory is...

Important: ipmitool

Issue Overview: It's been found that multiple functions in ipmitool before 1.8.19 neglect proper checking of the data received from a remote LAN party, which may lead to buffer overflows and potentially to remote code execution on the ipmitool side. This is especially dangerous if ipmitool is run...

Important: icu

Issue Overview: An issue was discovered in International Components for Unicode ICU for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend function in common/unistr.cpp. CVE-2020-10531 Affected Packages: icu Note: This advisory ...

Important: java-1.8.0-openjdk

Issue Overview: Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Serialization. Supported versions that are affected are Java SE: 7u251, 8u241, 11.0.6 and 14; Java SE Embedded: 8u241. Difficult to exploit vulnerability allows unauthenticated attacker with networ...

Important: git

Issue Overview: Affected versions of Git have a vulnerability whereby Git can be tricked into sending private credentials to a host controlled by an attacker. This bug is similar to CVE-2020-5260GHSA-qm7j-c969-7j4q. The fix for that bug still left the door open for an exploit where some credentia...

Important: http-parser

Issue Overview: HTTP request smuggling in Node.js 10, 12, and 13 causes malicious payload delivery when transfer-encoding is malformed CVE-2019-15605 Affected Packages: http-parser Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference...

Low: libtirpc

Issue Overview: A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefdxprt was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could...

Medium: icu

Issue Overview: An issue was discovered in International Components for Unicode ICU for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend function in common/unistr.cpp. CVE-2020-10531 Affected Packages: icu Issue Correction: Ru...

Important: git

Issue Overview: With a crafted URL that contains a newline in it, the credential helper machinery can be fooled to give credential information for a wrong host. The attack has been made impossible by forbidding a newline character in any value passed via the credential protocol.CVE-2020-5260...

Medium: kernel

Issue Overview: A stack buffer overflow issue was found in the getrawsocket routine of the Host kernel accelerator for virtio net vhost-net driver. It could occur while doing an ictolVHOSTNETSETBACKEND call, and retrieving socket name in a kernel stack variable via getrawsocket. A user able to...

Important: http-parser

Issue Overview: A flaw was found in the Node.js code where a specially crafted HTTPs request sent to a Node.js server failed to properly process the HTTPs headers, resulting in a request smuggling attack. An attacker can use this flaw to alter a request sent as an authenticated user if the Node.j...

Medium: runc

Issue Overview: runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfslinux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. This...

Important: xerces-c

Issue Overview: A use-after-free vulnerability was found in xerces-c in the way an XML document is processed via the SAX API. Applications that process XML documents with an external Document Type Definition DTD may be vulnerable to this flaw. A remote attacker could exploit this flaw by creating...

Important: python-pillow

Issue Overview: A flaw was discovered in the way the python-pillow may allocate a large amount of memory or require a long time while processing specially crafted image files, possibly causing a denial of service. Applications that use the library to process untrusted files may be vulnerable to...

Medium: python-virtualenv

Issue Overview: urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect i.e., a redirect that differs in host, port, or scheme. This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in...

Important: thunderbird

Issue Overview: The Mozilla Foundation Security Advisory describes this flaw as: When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. CVE-2020-6805 The Mozilla Foundation Security Advisor...

Important: libvncserver

Issue Overview: Integer Overflow or Wraparound leads to Heap-based Buffer Overflow CVE-2019-15690 Affected Packages: libvncserver Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue...

Important: git

Issue Overview: With a crafted URL that contains a newline in it, the credential helper machinery can be fooled to give credential information for a wrong host. The attack has been made impossible by forbidding a newline character in any value passed via the credential protocol. CVE-2020-5260...

Important: java-11-amazon-corretto

Issue Overview: Further information about this update can be found in the Corretto 11 change log https://github.com/corretto/corretto-11/blob/develop/CHANGELOG.md Affected Packages: java-11-amazon-corretto Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ...

Important: thunderbird

Issue Overview: When deriving an identifier for an email message, uninitialized memory was used in addition to the message contents. This vulnerability affects Thunderbird 68.5. CVE-2020-6792 When processing an email message with an ill-formed envelope, Thunderbird could read data from a random...

Important: openssl

Issue Overview: Normally in OpenSSL EC groups always have a co-factor present and this is used in side channel resistant code paths. However, in some cases, it is possible to construct a group using explicit parameters instead of using a named curve. In those cases it is possible that such a grou...

Important: kernel

Issue Overview: A stack buffer overflow issue was found in the getrawsocket routine of the Host kernel accelerator for virtio net vhost-net driver. It could occur while doing an ictolVHOSTNETSETBACKEND call, and retrieving socket name in a kernel stack variable via getrawsocket. A user able to...

Important: qemu

Issue Overview: tcpemu in tcpsubr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMUIRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code. CVE-2020-7039 An...

Medium: kernel-livepatch-4.14.165-131.185

Issue Overview: There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the nttyreceivebufcommon function in drivers/tty/ntty.c.CVE-2020-8648 Affected Packages: kernel-livepatch-4.14.165-131.185 Issue Correction: Please ensure you have live patching enabled. Run yum update...