Debian Linux Security Vulnerabilities - 2021

CVE-2021-4011

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SwapCreateRegister function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVE-2021-40153

squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is then used by unsquashfs to create the new file during the unsquash. The filename is not validated for traversal outside of the destination directory, and thus allows writing to locations outsi...

CVE-2021-4019

vim is vulnerable to Heap-based Buffer Overflow

CVE-2021-40330

git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring.

CVE-2021-40346

An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.

CVE-2021-40391

An out-of-bounds write vulnerability exists in the drill format T-code tool number functionality of Gerbv 2.7.0, dev (commit b5f1eacd), and the forked version of Gerbv (commit 71493260). A specially-crafted drill file can lead to code execution. An attacker can provide a malicious file to trigger t...

CVE-2021-40393

An out-of-bounds write vulnerability exists in the RS-274X aperture macro variables handling functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit 71493260). A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file...

CVE-2021-40394

An out-of-bounds write vulnerability exists in the RS-274X aperture macro variables handling functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit 71493260). A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file...

CVE-2021-40438

A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

CVE-2021-40490

A race condition was discovered in ext4_write_inline_data_end in fs/ext4/inline.c in the ext4 subsystem in the Linux kernel through 5.13.13.

CVE-2021-40491

The ftp client in GNU Inetutils before 2.2 does not validate addresses returned by PASV/LSPV responses to make sure they match the server address. This is similar to CVE-2020-8284 for curl.

CVE-2021-40516

WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.

CVE-2021-4052

Use after free in web apps in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

CVE-2021-4053

Use after free in UI in Google Chrome on Linux prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4054

Incorrect security UI in autofill in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to perform domain spoofing via a crafted HTML page.

CVE-2021-4055

Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

CVE-2021-4056

Type confusion in loader in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4057

Use after free in file API in Google Chrome prior to 96.0.4664.93 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4058

Heap buffer overflow in ANGLE in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4059

Insufficient data validation in loader in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

CVE-2021-4061

Type confusion in V8 in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4062

Heap buffer overflow in BFCache in Google Chrome prior to 96.0.4664.93 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4063

Use after free in developer tools in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4064

Use after free in screen capture in Google Chrome on ChromeOS prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4065

Use after free in autofill in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4066

Integer underflow in ANGLE in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4067

Use after free in window manager in Google Chrome on ChromeOS prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4068

Insufficient data validation in new tab page in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

CVE-2021-4069

vim is vulnerable to Use After Free

CVE-2021-40690

All versions of Apache Santuario - XML Security for Java prior to 2.2.3 and 2.1.7 are vulnerable to an issue where the "secureValidation" property is not passed correctly when creating a KeyInfo from a KeyInfoReference element. This allows an attacker to abuse an XPath Transform to extract any loca...

CVE-2021-40716

XMP Toolkit SDK versions 2021.07 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a vict...

CVE-2021-40732

XMP Toolkit version 2020.1 (and earlier) is affected by a null pointer dereference vulnerability that could result in leaking data from certain memory locations and causing a local denial of service in the context of the current user. User interaction is required to exploit this vulnerability in th...

CVE-2021-4078

Type confusion in V8 in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-4079

Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via crafted WebRTC packets.

CVE-2021-40985

A stack-based buffer under-read in htmldoc before 1.9.12, allows attackers to cause a denial of service via a crafted BMP image to image_load_bmp.

CVE-2021-41054

tftpd_file.c in atftp through 0.7.4 has a buffer overflow because buffer-size handling does not properly consider the combination of data, OACK, and other options.

CVE-2021-41072

squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link and then contents under the same filename in a filesystem can cause unsquashfs to first create the...

CVE-2021-41073

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.

CVE-2021-41079

Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.

CVE-2021-41099

Redis is an open source, in-memory database that persists on disk. An integer overflow bug in the underlying string library can be used to corrupt the heap and potentially result with denial of service or remote code execution. The vulnerability involves changing the default proto-max-bulk-len conf...

CVE-2021-41103

containerd is an open source container runtime with an emphasis on simplicity, robustness and portability. A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory con...

CVE-2021-41125

Scrapy is a high-level web crawling and scraping framework for Python. If you use HttpAuthMiddleware (i.e. the http_user and http_pass spider attributes) for HTTP authentication, all requests will expose your credentials to the request target. This includes requests generated by Scrapy components, ...

CVE-2021-41133

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.4 and 1.12.0, Flatpak apps with direct access to AF_UNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can trick portals and other host-OS services into...

CVE-2021-41136

Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using puma with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a respon...

CVE-2021-41182

jQuery-UI is the official jQuery user interface library. Prior to version 1.13.0, accepting the value of the altField option of the Datepicker widget from untrusted sources may execute untrusted code. The issue is fixed in jQuery UI 1.13.0. Any string value passed to the altField option is now trea...

CVE-2021-41183

jQuery-UI is the official jQuery user interface library. Prior to version 1.13.0, accepting the value of various *Text options of the Datepicker widget from untrusted sources may execute untrusted code. The issue is fixed in jQuery UI 1.13.0. The values passed to various *Text options are now alway...

CVE-2021-41229

BlueZ is a Bluetooth protocol stack for Linux. In affected versions a vulnerability exists in sdp_cstate_alloc_buf which allocates memory which will always be hung in the singly linked list of cstates and will not be freed. This will cause a memory leak over time. The data can be a very large objec...

CVE-2021-4166

vim is vulnerable to Out-of-bounds Read

CVE-2021-41771

ImportedSymbols in debug/macho (for Open or OpenFat) in Go before 1.16.10 and 1.17.x before 1.17.3 Accesses a Memory Location After the End of a Buffer, aka an out-of-bounds slice situation.

CVE-2021-4181

Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file