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...

Low: samba

Issue Overview: No CVE associated with this advisory Affected Packages: samba 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 Correction: Run yum update samba or yum update...

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: glibc

Issue Overview: In the GNU C Library aka glibc or libc6 through 2.29, proceednextnode in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match. CVE-2019-9169 A flaw was found in glibc. If an attacker provides the iconv function with invalid...

Amazon Linux 2 : bind (ALAS-2021-1651)

The version of bind installed on the remote host is prior to 9.11.4-26.P2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1651 advisory. Incremental zone transfers IXFR provide a way of transferring changed portions of a zone between servers. An IXFR stream containi...

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...

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 : glib2 (ALAS-2021-1655)

The version of glib2 installed on the remote host is prior to 2.56.1-9. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1655 advisory. 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-b...

Amazon Linux 2 : dhcp (ALAS-2021-1654)

The version of dhcp installed on the remote host is prior to 4.2.5-77. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1654 advisory. A flaw was found in the Dynamic Host Configuration Protocol DHCP. There is a discrepancy between the code that handles encapsulated...

Amazon Linux 2 : libX11 (ALAS-2021-1661)

The version of libX11 installed on the remote host is prior to 1.6.7-3. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1661 advisory. A flaw was found in libX11. An integer overflow leading to a heap-buffer overflow occurs when setuid programs call XIM client...

Amazon Linux 2 : glibc (ALAS-2021-1656)

The version of glibc installed on the remote host is prior to 2.26-47. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1656 advisory. In the GNU C Library aka glibc or libc6 through 2.29, proceednextnode in posix/regexec.c has a heap- based buffer over-read...

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 : curl (ALAS-2021-1653)

The version of curl installed on the remote host is prior to 7.61.1-12. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1653 advisory. It was discovered that libcurl did not remove authentication credentials from URLs when automatically populating the Refere...

Amazon Linux 2 : golang (ALAS-2021-1657)

The version of golang installed on the remote host is prior to 1.15.12-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1657 advisory. A vulnerability was found in net/http of the Go standard library when parsing very large HTTP header values, causing a crash and...

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...

Medium: python-pip

Issue Overview: The pip package before 19.2 for Python allows Directory Traversal when a URL is given in an install command, because a Content-Disposition header can have ../ in a filename, as demonstrated by overwriting the /root/.ssh/authorizedkeys file. This occurs in downloadhttpurl in...

Low: lldpad

Issue Overview: lldptool can print a raw, unsanitized attacker controlled buffer when mngAddr information is displayed. This may allow an attacker to inject shell control characters into the buffer and impact the behavior of the terminal. CVE-2018-10932 Affected Packages: lldpad Note: This adviso...

Amazon Linux 2 : systemd (ALAS-2021-1643) (deprecated)

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 ALAS2-2021-1643 advisory. - A vulnerability in unitdeserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution vi...

Amazon Linux 2 : lldpad (ALAS-2021-1637)

The version of lldpad installed on the remote host is prior to 1.0.1-5.git036e314. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1637 advisory. lldptool can print a raw, unsanitized attacker controlled buffer when mngAddr information is displayed. This may allow an...

Medium: python3

Issue Overview: The package python/cpython is vulnerable to Web Cache Poisoning via urllib.parse.parseqsl and urllib.parse.parseqs by using a vector called parameter cloaking. When the attacker can separate query parameters using a semicolon ;, they can cause a difference in the interpretation of...