glusterfs: remote denial of service of gluster volumes via posix_get_file_contents function in posix-helpers.c

It was found that an attacker could issue a xattr request via glusterfs FUSE to cause gluster brick process to crash which will result in a remote denial of service. If gluster multiplexing is enabled this will result in a crash of multiple bricks and gluster volumes.

glusterfs: Information Exposure in posix_get_file_contents function in posix-helpers.c

An information disclosure vulnerability was discovered in glusterfs server. An attacker could issue a xattr request via glusterfs FUSE to determine the existence of any file.

glusterfs: Improper deserialization in dict.c:dict_unserialize() can allow attackers to read arbitrary memory

A flaw was found in the way dic_unserialize function of glusterfs does not handle negative key length values. An attacker could use this flaw to read memory from other locations into the stored dict value.

glusterfs: Stack-based buffer overflow in server-rpc-fops.c allows remote attackers to execute arbitrary code

It was found that glusterfs server is vulnerable to multiple stack based buffer overflows due to functions in server-rpc-fopc.c allocating fixed size buffers using 'alloca(3)'. An authenticated attacker could exploit this by mounting a gluster volume and sending a string longer that the fixed buffer size to cause crash or potential code execution.

glusterfs: Unsanitized file names in debug/io-stats translator can allow remote attackers to execute arbitrary code

It was found that glusterfs server does not properly sanitize file paths in the "trusted.io-stats-dump" extended attribute which is used by the "debug/io-stats" translator. Attacker can use this flaw to create files and execute arbitrary code. To exploit this attacker would require sufficient access to modify the extended attributes of files on a gluster volume.

docker: container breakout without selinux in enforcing mode

The default OCI linux spec in oci/defaults{_linux}.go in Docker/Moby from 1.11 to current does not block /proc/acpi pathnames. The flaw allows an attacker to modify host's hardware like enabling/disabling bluetooth or turning up/down keyboard brightness.

ceph: ceph-mon does not perform authorization on OSD pool ops

A flaw was found in the way ceph mon handles user requests. Any authenticated ceph user having read access to ceph can delete, create ceph storage pools and corrupt snapshot images. Ceph branches master, mimic, luminous and jewel are believed to be affected.

libgxps: heap based buffer over read in ft_font_face_hash function of gxps-fonts.c

There is a heap-based buffer over-read in the function ft_font_face_hash of gxps-fonts.c in libgxps through 0.3.0. A crafted input will lead to a remote denial of service attack.

kwallet-pam in KDE KWallet before 5.12.6 allows local users to obtain ownership of arbitrary files via a symlink attack.

file: out-of-bounds read via a crafted ELF file

The do_core_note function in readelf.c in libmagic.a in file 5.33 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted ELF file.

libarchive: Use after free in RAR decoder resulting in a denial of service

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

nextcloud package security issues with /srv/www/htdocs

The packaging of NextCloud in openSUSE used /srv/www/htdocs in an unsafe manner, which could have allowed scripts running as wwwrun user to escalate privileges to root during nextcloud package upgrade.

osc executes spec code during "osc commit"

A shell command injection in the obs-service-source_validator before 0.7 could be used to execute code as the packager when checking RPM SPEC files with specific macro constructs.

proxy credentials written to log files by zypper

The commandline package update tool zypper writes HTTP proxy credentials into its logfile, allowing local attackers to gain access to proxies used.

post-auth arbitrary file write on cryptctl server

In cryptctl before version 2.0 a malicious server could send RPC requests that could overwrite files outside of the cryptctl key database.

lack of keypinning in libzypp could lead to repository switching

In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.

open-build-service retrigger / wipebinaries hitting the wrong project bypassing access permissions

In the open build service before 201707022 the wipetrigger and rebuild actions checked the wrong project for permissions, allowing authenticated users to cause operations on projects where they did not have permissions leading to denial of service (resource consumption).

An issue was discovered in adns before 1.5.2. It fails to ignore apparent answers before the first RR that was found the first time. when this is fixed, the second answer scan finds the same RRs at the first. Otherwise, adns can be confused by interleaving answers for the CNAME target, with the CNAME itself. In that case the answer data structure (on the heap) can be overrun. With this fixed, it prefers to look only at the answer RRs which come after the CNAME, which is at least arguably correct.

An issue was discovered in adns before 1.5.2. adnshost mishandles a missing final newline on a stdin read. It is wrong to increment used as well as setting r, since used is incremented according to r, later. Rather one should be doing what read() would have done. Without this fix, adnshost may read and process one byte beyond the buffer, perhaps crashing or perhaps somehow leaking the value of that byte.

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.