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Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CP ...

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE. The peer spends time processing each frame disproportionate to attack bandwidth. This can consume excess CPU.

The host is installed with libtiff on RHEL 5, 6 or 7 and is prone to multiple out-of-bounds read vulnerabilities. The flaws are present in the application, which fails to properly handle crafted data. Successful exploitation could allow attackers to crash the service.

The host is installed with linux kernel before 3.19.1 and is prone to a security bypass vulnerability. A flaw is present in the application, which uses incorrect data types for the results of bitwise left-shift operations. Successful exploitation allows attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function ...

In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.

A flaw was found in the scp program shipped with the openssh-clients package. An attacker having the ability to scp files to a remote server, could execute arbitrary commands on the remote server by including the command as a part of the filename being copied on the server. This command is run with the permissions of user with which the files were copied on the remote server. The highest threat fr ...

The host is installed with kernel before 3.17.4 and is prone to a denial of service vulnerability. A flaw is present in the application, which fails to properly handle a malformed INIT chunk. Successful exploitation allows remote attackers to cause a denial of service (NULL pointer dereference and system crash).

A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.

An integer overflow was found in the Linux kernel's vmwgfx driver. This flaw allows a local, unprivileged attacker with access to either /dev/dri/card0 or /dev/dri/rendererD128, and able to issue an ioctl() on the resulting file descriptor to crash the system, causing a denial of service.

An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the h nets array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.


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