Xen - Broken Check in memory_exchange() Permits PV Guest Breakout

Xen - Broken Check in memoryexchange Permits PV Guest Breakout Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1184 This bug report describes a vulnerability in memoryexchange that permits PV guest kernels to write to an arbitrary virtual address with hypervisor privileges. The...

Xen - Broken Check in 'memory_exchange()' Permits PV Guest Breakout

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1184 This bug report describes a vulnerability in memoryexchange that permits PV guest kernels to write to an arbitrary virtual address with hypervisor privileges. The vulnerability was introduced through a broken fix for...

Fedora 25 : xen (2017-054729ab08)

Qemu: 9pfs: host memory leakage via v9fscreate CVE-2017-7377 1437873 x86: broken check in memoryexchange permits PV guest breakout XSA-212, CVE-2017-7228 1438804 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenabl...

Xen: broken check in memory_exchange() permits PV guest breakout（CVE-2017-7228）

Detailed analysis: Pandavirtualization: Exploiting the Xen hypervisor This bug report describes a vulnerability in memoryexchange that permits PV guest kernels to write to an arbitrary virtual address with the hypervisor privileges. The vulnerability was introduced through a broken fix for...

FreeBSD : xen-kernel -- broken check in memory_exchange() permits PV guest breakout (90becf7c-1acf-11e7-970f-002590263bf5)

The Xen Project reports : The XSA-29 fix introduced an insufficient check on XENMEMexchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays. A malicious or buggy 64-bit PV guest may be able to access all of system memory, allowing f...

x86: broken check in memory_exchange() permits PV guest breakout

ISSUE DESCRIPTION The XSA-29 fix introduced an insufficient check on XENMEMexchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays. IMPACT A malicious or buggy 64-bit PV guest may be able to access all of system memory, allowing fo...

xen-kernel -- broken check in memory_exchange() permits PV guest breakout

The Xen Project reports: The XSA-29 fix introduced an insufficient check on XENMEMexchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays. A malicious or buggy 64-bit PV guest may be able to access all of system memory, allowing fo...

SUSE SLES11 Security Update : xen (SUSE-SU-2017:0718-1)

This update for xen fixes several issues. These security issues were fixed : - CVE-2016-10155: The virtual hardware watchdog 'wdti6300esb' was vulnerable to a memory leakage issue allowing a privileged user to cause a DoS and/or potentially crash the Qemu process on the host bsc1024183 -...

CVE-2017-5146

An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11U05, and VMU-C PV prior to firmware Version A17. Sensitive information is stored in clear-text...

CVE-2017-5144

An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11U05, and VMU-C PV prior to firmware Version A17. The access control flaw allows access to most application functions without authentication...

Authentication flaw

An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11U05, and VMU-C PV prior to firmware Version A17. The access control flaw allows access to most application functions without authentication...

Code injection

An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11U05, and VMU-C PV prior to firmware Version A17. Sensitive information is stored in clear-text...

Cross site request forgery (csrf)

An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11U05, and VMU-C PV prior to firmware Version A17. Successful exploitation of this CROSS-SITE REQUEST FORGERY CSRF vulnerability can allow execution of unauthorized actions on the device such as configuration parameter...

CVE-2017-5145

The CVE-2017-5145 entry describes a CROSS-SITE REQUEST FORGERY (CSRF) vulnerability in Carlo Gavazzi VMU-C EM (firmware before A11_U05) and VMU-C PV (firmware before A17). Successful exploitation can allow unauthorized configuration changes and saving of modified configurations. Public guidance i...

CVE-2017-5146

An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11U05, and VMU-C PV prior to firmware Version A17. Sensitive information is stored in clear-text...

CVE-2017-5144

The CVE-2017-5144 issue affects Carlo Gavazzi VMU-C EM (pre-A11_U05) and VMU-C PV (pre-A17) where an access control flaw allows access to most application functions without authentication. According to the ICS-CERT advisory, the root cause is an access-control weakness (CWE-284) enabling remote, ...

CVE-2017-5144

An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11U05, and VMU-C PV prior to firmware Version A17. The access control flaw allows access to most application functions without authentication...

CVE-2017-5146

CVE-2017-5146 affects Carlo Gavazzi VMU-C EM (before firmware A11_U05) and VMU-C PV (before firmware A17). The issue is that sensitive information is stored in clear text on these devices, constituting an information disclosure vulnerability. Public sources describe the affected products and firm...

oob access in cirrus bitblt copy

ISSUE DESCRIPTION When doing bitblt copy backwards, qemu should negate the blit width. This avoids an oob access before the start of video memory. IMPACT A malicious guest administrator can cause an out of bounds memory access, leading to information disclosure or privilege escalation. VULNERABLE...

Carlo Gavazzi Automation VMU-C EM and VMU-C PV have unauthorized access vulnerabilities

Carlo Gavazzi Automation VMU-C EM and VMU-C PV are control modules in the automation products of the Italian company Carlo Gavazzi Automation. An unauthorized access vulnerability exists in the Carlo Gavazzi Automation VMU-C EM and VMU-C PV. An unauthenticated attacker could exploit the...