Vulnerabilities > Openbsd

DATE CVE VULNERABILITY TITLE RISK
2019-12-05 CVE-2019-19519 Improper Authentication vulnerability in Openbsd 6.6
In OpenBSD 6.6, local users can use the su -L option to achieve any login class (often excluding root) because there is a logic error in the main function in su/su.c.
local
low complexity
openbsd CWE-287
7.8
2019-10-09 CVE-2019-16905 Integer Overflow or Wraparound vulnerability in multiple products
OpenSSH 7.7 through 7.9 and 8.x before 8.1, when compiled with an experimental key type, has a pre-authentication integer overflow if a client or server is configured to use a crafted XMSS key.
local
low complexity
openbsd netapp siemens CWE-190
7.8
2019-08-26 CVE-2019-8460 Unspecified vulnerability in Openbsd
OpenBSD kernel version <= 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcp_sack_option() for every incoming SACK packet which can lead to a denial of service.
network
low complexity
openbsd
7.5
2019-01-31 CVE-2019-6111 Path Traversal vulnerability in multiple products
An issue was discovered in OpenSSH 7.9.
5.9
2019-01-31 CVE-2019-6110 Inappropriate Encoding for Output Context vulnerability in multiple products
In OpenSSH 7.9, due to accepting and displaying arbitrary stderr output from the server, a malicious server (or Man-in-The-Middle attacker) can manipulate the client output, for example to use ANSI control codes to hide additional files being transferred.
network
high complexity
openbsd winscp netapp siemens CWE-838
6.8
2019-01-31 CVE-2019-6109 Improper Encoding or Escaping of Output vulnerability in multiple products
An issue was discovered in OpenSSH 7.9.
6.8
2019-01-10 CVE-2018-20685 Incorrect Authorization vulnerability in multiple products
In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of .
5.3
2018-08-28 CVE-2018-15919 Information Exposure vulnerability in multiple products
Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use.
network
low complexity
openbsd netapp CWE-200
5.3
2018-08-17 CVE-2018-15473 Race Condition vulnerability in multiple products
OpenSSH through 7.7 is prone to a user enumeration vulnerability due to not delaying bailout for an invalid authenticating user until after the packet containing the request has been fully parsed, related to auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c.
5.3
2018-08-01 CVE-2018-14775 Improper Input Validation vulnerability in Openbsd 6.2/6.3
tss_alloc in sys/arch/i386/i386/gdt.c in OpenBSD 6.2 and 6.3 has a Local Denial of Service (system crash) due to incorrect I/O port access control on the i386 architecture.
local
low complexity
openbsd CWE-20
5.5