Amazon Linux 2 : systemd, --advisory ALAS2-2021-1647 (ALAS-2021-1647)

The version of systemd installed on the remote host is prior to 219-78. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1647 advisory. It was discovered that systemd is vulnerable to a state injection attack when deserializing the state of a service...

Important: httpd

Issue Overview: A null pointer de-reference was found in the way httpd handled specially crafted HTTP/2 request. A remote attacker could use this flaw to crash the httpd child process, causing temporary denial of service. CVE-2021-31618 Affected Packages: httpd Note: This advisory is applicable t...

Amazon Linux 2 : httpd (ALAS-2021-1659)

The version of httpd installed on the remote host is prior to 2.4.48-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1659 advisory. A flaw was found in Apache httpd. The modproxywstunnel module tunnels non-upgraded connections. CVE-2019-17567 Apache HTTP...

Medium: bind

Issue Overview: Incremental zone transfers IXFR provide a way of transferring changed portions of a zone between servers. An IXFR stream containing SOA records with an owner name other than the transferred zone's apex may cause the receiving named server to inadvertently remove the SOA record for...

Amazon Linux 2 : slapi-nis (ALAS-2021-1646)

The version of slapi-nis installed on the remote host is prior to 0.56.5-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1646 advisory. A flaw was found in slapi-nis. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated...

Amazon Linux 2 : postgresql (ALAS-2021-1665)

The version of postgresql installed on the remote host is prior to 9.2.24-6. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1665 advisory. A flaw was discovered in postgresql where arbitrary SQL statements can be executed given a suitable SECURITY DEFINER...

Amazon Linux 2 : python-urllib3 (ALAS-2021-1668)

The version of python-urllib3 installed on the remote host is prior to 1.25.9-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1668 advisory. A flaw was found in python-urllib3. The HTTPConnection.request does not properly validate CRLF sequences in the HTTP reques...

Amazon Linux 2 : python-lxml (ALAS-2021-1666)

The version of python-lxml installed on the remote host is prior to 3.2.1-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1666 advisory. A Cross-site Scripting XSS vulnerability was found in the python-lxml's clean module. The module's parser did not properly...

Amazon Linux 2 : microcode_ctl (ALAS-2021-1663)

The version of microcodectl installed on the remote host is prior to 2.1-47. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1663 advisory. A flaw was found in the Intel Advanced Vector Extensions AVX implementation, where a local authenticated attacker with the...

Medium: wpa_supplicant

Issue Overview: In p2pcopyclientinfo of p2p.c, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution if the target device is performing a Wi-Fi Direct search, with no additional execution privileges needed. User interaction is not needed f...

Low: bzip2

Issue Overview: BZ2decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors. CVE-2019-12900 Affected Packages: bzip2 Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Cor...

Medium: python-urllib3

Issue Overview: A flaw was found in python-urllib3. The HTTPConnection.request does not properly validate CRLF sequences in the HTTP request method, potentially allowing manipulation of the request by injecting additional HTTP headers. The highest threat from this vulnerability is to...

Medium: nss

Issue Overview: A flaw was found in the way NSS handled CCS ChangeCipherSpec messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system...

Important: glib2

Issue Overview: An issue was discovered in GNOME GLib before 2.66.6 and 2.67.x before 2.67.3. The function gbytesnew has an integer overflow on 64-bit platforms due to an implicit cast from 64 bits to 32 bits. The overflow could potentially lead to memory corruption. CVE-2021-27219 Affected...

Medium: microcode_ctl

Issue Overview: A flaw was found in the Intel Advanced Vector Extensions AVX implementation, where a local authenticated attacker with the ability to execute AVX instructions can gather the AVX register state from previous AVX executions. This vulnerability allows information disclosure of the AV...

Important: postgresql

Issue Overview: A flaw was discovered in postgresql where arbitrary SQL statements can be executed given a suitable SECURITY DEFINER function. An attacker, with EXECUTE permission on the function, can execute arbitrary SQL as the owner of the function. CVE-2019-10208 A flaw was found in postgresq...

Medium: python-pip

Issue Overview: A flaw was found in python-urllib3. SSL certificate validation is omitted in some cases involving HTTPS to HTTPS proxies. The initial connection to the HTTPS proxy if an SSLContext isn't given via proxyconfig doesn't verify the hostname of the certificate. This means certificates...

Amazon Linux 2 : wpa_supplicant (ALAS-2021-1648)

The version of wpasupplicant installed on the remote host is prior to 2.6-12. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1648 advisory. In p2pcopyclientinfo of p2p.c, there is a possible out of bounds write due to a missing bounds check. This could lead to remot...

Amazon Linux 2 : bzip2 (ALAS-2021-1652)

The version of bzip2 installed on the remote host is prior to 1.0.6-13. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1652 advisory. BZ2decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors. CVE-2019-12900 Tenabl...

Amazon Linux 2 : nss (ALAS-2021-1664)

The version of nss installed on the remote host is prior to 3.53.1-7. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1664 advisory. A flaw was found in the way NSS handled CCS ChangeCipherSpec messages in TLS 1.3. This flaw allows a remote attacker to send multiple...