Advisory ROSA-SA-2023-2127

Software: openssh 7.4 OS: rosa-server79 packageevrstring: openssh-7.4p1-21 CVE-ID: CVE-2023-25136 BDU-ID: 2023-00711 CVE-Crit: CRITICAL CVE-DESC: A vulnerability in the options.kexalgorithms component of the OpenSSH cryptographic security tool server is associated with a memory re-release error...

Security Bulletin: Vulnerabilities in Bash affect IBM SAN b-type Switches (CVE-2014-6271, CVE-2014-7169, CVE-2014-7186, CVE-2014-7187, CVE-2014-6277, CVE-2014-6278)

Summary Six Bash vulnerabilities were disclosed in September 2014. This bulletin addresses the vulnerabilities that have been referred to as “Bash Bug” or “Shellshock” and two memory corruption vulnerabilities. Bash is used by IBM SAN b-type Switches. Vulnerability Details CVE-ID : CVE-2014-6271...

Siemens SCALANCE X-200RNA Switch Devices Improper Encoding or Escaping of Output (CVE-2019-6109)

An issue was discovered in OpenSSH 7.9. Due to missing character encoding in the progress display, a malicious server or Man-in-The- Middle attacker can employ crafted object names to manipulate the client output, e.g., by using ANSI control codes to hide additional files being transferred. This...

Siemens SCALANCE X-200RNA Switch Devices Inappropriate Encoding For Output Context (CVE-2019-6110)

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. - In OpenSSH 7.9, due to accepting and...

Siemens SCALANCE X-200RNA Switch Devices Incorrect Authorization (CVE-2018-20685)

In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side. - In OpenSSH 7.9, scp.c in the scp client allows remote SSH...

Siemens SCALANCE X-200RNA Switch Devices Concurrent Execution Using Shared Resource with Improper Synchronization (CVE-2018-15473)

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. - OpenSSH through 7.7 is prone to a...

Exploit for Double Free in Openbsd Openssh

CVE-2023-25136 OpenSSH 9.1 vulnerability mass scan and exploit...

OpenSSH bug fix and enhancement update

An update is available for openssh. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list OpenSSH is an SSH protocol implementation supported by a number of Linux, UNI...

K43404629: F5 SSH server key size vulnerability CVE-2020-5917

Security Advisory Description The BIG-IP and BIG-IQ host OpenSSH servers use keys less than 2048 bits that are no longer considered secure. CVE-2020-5917 Impact The BIG-IP system may be vulnerable to man-in-the-middle attacks and/or insecure SSH communications. Some security scanners, such as the...

K2319: Insufficient MAC computation in OpenSSH - CAN-2003-0078

Security Advisory Description Note : Versions that are not listed in this article have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of the F...

K21350967: OpenSSH vulnerability CVE-2019-6111

Security Advisory Description An issue was discovered in OpenSSH 7.9. Due to the scp implementation being derived from 1983 rcp, the server chooses which files/directories are sent to the client. However, the scp client only performs cursory validation of the object name returned only directory...

K17263: OpenSSH vulnerabilities CVE-2015-6563 and CVE-2015-6564

Security Advisory Description CVE-2015-6563 The monitor component in sshd in OpenSSH before 7.0 on non-OpenBSD platforms accepts extraneous username data in MONITORREQPAMINITCTX requests, which allows local users to conduct impersonation attacks by leveraging any SSH login access in conjunction...

K17113: OpenSSH vulnerability CVE-2015-5600

Security Advisory Description The kbdintnextdevice function in auth2-chall.c in sshd in OpenSSH through 6.9 does not properly restrict the processing of keyboard-interactive devices within a single connection, which makes it easier for remote attackers to conduct brute-force attacks or cause a...

K15156: OpenSSH vulnerability CVE-2009-2904

Security Advisory Description A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat Enterprise Linux RHEL 5.4 and Fedora 11, allows local users to gain privileges via hard links to setuid programs that use configuration files withi...

K15155: OpenSSH vulnerability CVE-2007-3102

Security Advisory Description Unspecified vulnerability in the linuxauditrecordevent function in OpenSSH 4.3p2, as used on Fedora Core 6 and possibly other systems, allows remote attackers to write arbitrary characters to an audit log via a crafted username. CVE-2007-3102 Impact None. F5 products...

K5873: PAM conversation stack corruption in OpenSSH - CVE-2003-0787

Security Advisory Description Note : Versions that are not listed in this article have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of the F...

K28942395: OpenSSH vulnerability CVE-2018-15473

Security Advisory Description 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...

K93532943: SSHD session.c vulnerability CVE-2016-3115

Security Advisory Description Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the 1 doauthenticated1 and 2 sessionx11req functions...

K16009: OpenSSH vulnerability CVE-2014-9278

Security Advisory Description The OpenSSH server, as used in Fedora and Red Hat Enterprise Linux 7 and when running in a Kerberos environment, allows remote authenticated users to log in as another user when they are listed in the .k5users file of that user, which might bypass intended...

K57304814: OpenSSH vulnerability CVE-2016-8858

Security Advisory Description DISPUTED The kexinputkexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service memory consumption by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider...