#ubuntu

Heap-based buffer over-read in function png_convert_4 in file pngex.cc in AdvanceMAME through 2.1.

An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution.

Ubuntu Security Notice 6234-1 - Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that for some Intel processors the INVLPG instruction implementation did not properly flush global TLB entries when PCIDs are enabled. An attacker could use this to expose sensitive information or possibly cause undesired behaviors.

Ubuntu Security Notice 6235-1 - It was discovered that the NTFS file system implementation in the Linux kernel contained a null pointer dereference in some situations. A local attacker could use this to cause a denial of service. Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information.

Progress Chef Infra Server before 15.7 allows a local attacker to exploit a /var/opt/opscode/local-mode-cache/backup world-readable temporary backup path to access sensitive information, resulting in the disclosure of all indexed node data, because OpenSearch credentials are exposed. (The data typically includes credentials for additional systems.) The attacker must wait for an admin to run the "chef-server-ctl reconfigure" command.

faust commit ee39a19 was discovered to contain a stack overflow via the component boxppShared::print() at /boxes/ppbox.cpp.

stress-test master commit e4c878 was discovered to contain a FPE vulnerability via the component combine_inner at /pixman-combine-float.c.

Ubuntu Security Notice 6184-2 - USN-6184-1 fixed a vulnerability in CUPS. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that CUPS incorrectly handled certain memory operations. An attacker could possibly use this issue to cause CUPS to crash, resulting in a denial of service, or to possibly obtain sensitive information.

The web interface on the RIGOL MSO5000 digital oscilloscope with firmware 00.01.03.00.03 allows remote attackers to change the admin password via a zero-length pass0 to the webcontrol changepwd.cgi application, i.e., the entered password only needs to match the first zero characters of the saved password.

Ubuntu Security Notice 6230-1 - Alexander Lakhin discovered that PostgreSQL incorrectly handled certain CREATE privileges. An authenticated user could possibly use this issue to execute arbitrary code as the bootstrap supervisor.