Amazon Linux AMI : kernel (ALAS-2018-993)

Missing length check of payload in net/sctp/smmakechunk.c:sctpmakechunk function allows denial of service : An error in the 'sctpmakechunk' function net/sctp/smmakechunk.c when handling SCTP, packet length can be exploited by a malicious local user to cause a kernel crash and a DoS. CVE-2018-5803...

Amazon Linux AMI : stunnel / amazon-efs-utils (ALAS-2018-996)

This update adds the checkHost option to stunnel, which verifies the host of the peer certificate subject. Certificates are accepted if no checkHost option was specified, or the host name of the peer certificate matches any of the hosts specified with checkHost. This update adds the OCSPaia optio...

Amazon Linux AMI : python-paramiko (ALAS-2018-989)

Authentication bypass in transport.py transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed...

Amazon Linux AMI : 389-ds-base (ALAS-2018-980)

Authentication bypass due to lack of size check in slapictmemcmp function in chmalloc.c : It was found that 389-ds-base did not always handle internal hash comparison operations correctly during the authentication process. A remote, unauthenticated attacker could potentially use this flaw to bypa...

Amazon Linux AMI : postgresql93 / postgresql94,postgresql95,postgresql96 (ALAS-2018-990)

Uncontrolled search path element in pgdump and other client applications A flaw was found in the way Postgresql allowed a user to modify the behavior of a query for other users. An attacker with a user account could use this flaw to execute code with the permissions of superuser in the database...

Amazon Linux AMI : ruby20 / ruby22,ruby23,ruby24 (ALAS-2018-983)

Path traversal when writing to a symlinked basedir outside of the root RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal...

Amazon Linux AMI : nvidia (ALAS-2018-991)

NVIDIA Windows GPU Display Driver contains a vulnerability in the kernel mode layer nvlddmkm.sys handler for DxgkDdiEscape where a NULL pointer dereference may lead to denial of service or possible escalation of privileges. CVE-2018-6247 NVIDIA Windows GPU Display Driver contains a vulnerability ...

Amazon Linux AMI : mailman (ALAS-2018-985)

Cross-site scripting XSS vulnerability in web UI A cross-site scripting XSS flaw was found in mailman. An attacker, able to trick the user into visiting a specific URL, can execute arbitrary web scripts on the user's side and force the victim to perform unintended actions. CVE-2018-5950 CSRF...

Amazon Linux AMI : dhcp (ALAS-2018-984)

Buffer overflow in dhclient possibly allowing code execution triggered by malicious server An out-of-bound memory access flaw was found in the way dhclient processed a DHCP response packet. A malicious DHCP server could potentially use this flaw to crash dhclient processes running on DHCP client...

Amazon Linux AMI : php71 (ALAS-2018-982)

Stack-based buffer under-read in ext/standard/httpfopenwrapper.c:phpstreamurlwraphttpex function when parsing HTTP response allows denial of service : In PHP through 5.6.33, 7.0.x before 7.0.28, 7.1.x through 7.1.14, and 7.2.x through 7.2.2, there is a stack-based buffer under-read while parsing ...

Amazon Linux AMI : tomcat7 / tomcat8 (ALAS-2018-972)

Late application of security constraints can lead to resource exposure for unauthorised users : Security constraints defined by annotations of Servlets in Apache Tomcat were only applied once a Servlet had been loaded. Because security constraints defined in this way apply to the URL pattern and...

Amazon Linux AMI : ruby24 / ruby22,ruby23 (ALAS-2018-978)

Unsafe object deserialization through YAML formatted gem specifications : A vulnerability was found where the rubygems module was vulnerable to an unsafe YAML deserialization when inspecting a gem. Applications inspecting gem files without installing them can be tricked to execute arbitrary code ...

Amazon Linux AMI : tomcat80 (ALAS-2018-973)

Incorrect documentation of CGI Servlet search algorithm may lead to misconfiguration : As part of the fix for bug 61201, the documentation for Apache Tomcat included an updated description of the search algorithm used by the CGI Servlet to identify which script to execute. The update was not...

Amazon Linux AMI : clamav (ALAS-2018-976)

Heap-based buffer overflow in mspack/lzxd.c mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service heap-based buffer overflow and application crash or possibly have unspecified other impact via a crafted CHM file. CVE-2017-6419...

Amazon Linux AMI : exim (ALAS-2018-970)

Buffer overflow in b64decode function, possibly leading to remote code execution : An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely. CVE-2018-6789 C...

Amazon Linux AMI : tomcat-native (ALAS-2018-965)

Mishandling of client certificates can allow for OCSP check bypass : When parsing the AIA-Extension field of a client certificate, Apache Tomcat Native Connector 1.2.0 to 1.2.14 and 1.1.23 to 1.1.34 did not correctly handle fields longer than 127 bytes. The result of the parsing error was to skip...

Amazon Linux AMI : mysql55 / mysql56,mysql57 (ALAS-2018-969)

Vulnerability in the MySQL Server component of Oracle MySQL subcomponent: Server: Optimizer. Supported versions that are affected are 5.5.58 and prior, 5.6.38 and prior and 5.7.20 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols...

Amazon Linux AMI : curl (ALAS-2018-951)

Out-of-bounds read in code handling HTTP/2 trailers : libcurl contains an out bounds read in code handling HTTP/2 trailers. It was reported https://github.com/curl/curl/pull/2231 that reading an HTTP/2 trailer could mess up future trailers since the stored size was one byte less than required. Th...

Amazon Linux AMI : clamav (ALAS-2018-958)

Heap-based buffer overflow in mspack/lzxd.c : mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service heap-based buffer overflow and application crash or possibly have unspecified other impact via a crafted CHM file.CVE-2017-6419 The...

Amazon Linux AMI : tomcat8 (ALAS-2018-959)

Incorrect documentation of CGI Servlet search algorithm may lead to misconfiguration As part of the fix for bug 61201, the documentation for Apache Tomcat included an updated description of the search algorithm used by the CGI Servlet to identify which script to execute. The update was not correc...