Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
It was discovered that Expat, an XML parsing C library, did not properly handled internal entities closing the doctype, potentially resulting in denial of service or information disclosure if a malformed XML file is processed.
Multiple security issues were found in PHP, a widely-used open source general purpose scripting language: Missing sanitising in the EXIF extension and the iconv_mime_decode_headers() function could result in information disclosure or denial of service.
Daniel McCarney discovered that the BIRD internet routing daemon incorrectly validated RFC 8203 messages in it’s BGP daemon, resulting in a stack buffer overflow.
Multiple security issues were found in PHP, a widely-used open source general purpose scripting language: Missing sanitising in the EXIF extension and the iconv_mime_decode_headers() function could result in information disclosure or denial of service.
It was discovered that OpenDMARC, a milter implementation of DMARC, is prone to a signature-bypass vulnerability with multiple From: addresses. For the oldstable distribution (stretch), this problem has been fixed
Simon McVittie reported a flaw in ibus, the Intelligent Input Bus. Due to a misconfiguration during the setup of the DBus, any unprivileged user could monitor and send method calls to the ibus bus of another user, if able to discover the UNIX socket used by another user connected
Multiple vulnerabilities have been discovered in the Dino XMPP client, which could allow spoofing message, manipulation of a user’s roster (contact list) and unauthorised sending of message carbons.
Multiple security issues have been found in Thunderbird which could potentially result in the execution of arbitrary code, cross-site scripting, information disclosure and a covert content attack on S/MIME encryption using a crafted multipart/alternative message.
Multiple vulnerabilities have been discovered in faad2, the Freeware Advanced Audio Coder. These vulnerabilities might allow remote attackers to cause denial-of-service, or potentially execute arbitrary code if crafted MPEG AAC files are processed.
Three security vulnerabilities have been discovered in the Docker container runtime: Insecure loading of NSS libraries in “docker cp” could result in execution of code with root privileges, sensitive data could be logged in debug mode and there was a command injection
Several vulnerabilities were discovered in the HTTP/2 code of Apache Traffic Server, a reverse and forward proxy server, which could result in denial of service.
It was discovered that the code fixes for LibreOffice to address CVE-2019-9852 were not complete. Additional information can be found at https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9854/
It was discovered that various procedures in Ghostscript, the GPL PostScript/PDF interpreter, do not properly restrict privileged calls, which could result in bypass of file system restrictions of the dSAFER sandbox.
“Zerons” and Qualys discovered that a buffer overflow triggerable in the TLS negotiation code of the Exim mail transport agent could result in the execution of arbitrary code with root privileges.
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, cross-site scripting, bypass of the same-origin policy, sandbox escape, information disclosure or denial of service.
Several vulnerabilities have been discovered in the webkit2gtk web engine: CVE-2019-8644
Alf-Andre Walla discovered a remotely triggerable assert in the Varnish web accelerator; sending a malformed HTTP request could result in denial of service.
Stefan Metzmacher discovered a flaw in Samba, a SMB/CIFS file, print, and login server for Unix. Specific combinations of parameters and permissions can allow user to escape from the share path definition and see the complete ‘/’ filesystem. Unix permission checks in the kernel
Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service, the execution of arbitrary code or bypass of ACLs.
Two vulnerabilities were discovered in the HTTP/2 code of the nghttp2 HTTP server, which could result in denial of service. For the oldstable distribution (stretch), these problems have been fixed
Nick Roessler and Rafi Rubin discovered that the IMAP and ManageSieve protocol parsers in the Dovecot email server do not properly validate input (both pre- and post-login). A remote attacker can take advantage of this flaw to trigger out of bounds heap memory writes, leading to
Several vulnerabilities have been found in the Apache HTTPD server. CVE-2019-9517
Three vulnerabilities were discovered in the HTTP/2 code of the H2O HTTP server, which could result in denial of service. For the stable distribution (buster), these problems have been fixed in
Several vulnerabilities were discovered in Squid, a fully featured web proxy cache. The flaws in the HTTP Digest Authentication processing, the HTTP Basic Authentication processing and in the cachemgr.cgi allowed remote attackers to perform denial of service and cross-site scripting
Multiple security issues were discovered in QEMU, a fast processor emulator, which could result in denial of service, the execution of arbitrary code or bypass of ACLs.
Three vulnerabilities were discovered in the HTTP/2 code of Nginx, a high-performance web and reverse proxy server, which could result in denial of service.
Multiple security issues were discovered in the VLC media player, which could result in the execution of arbitrary code or denial of service if a malformed file/stream is processed.
Three vulnerabilities have been discovered in the Go programming language; “net/url” accepted some invalid hosts in URLs which could result in authorisation bypass in some applications and the HTTP/2 implementation was susceptible to denial of service.
Several vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitrary code if malformed files/streams are processed.
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