CVE-2021-41073

looprwiter in fs/iouring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORINGOPPROVIDEBUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc//maps for exploitation...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5017-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5017-1 advisory. It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A...

Security update for dovecot23 (moderate)

openSUSE Security Update: Security update for dovecot23 Announcement ID: openSUSE-SU-2021:2892-1 Rating: moderate References: 1187418 1187419 1187420 SLE-19970 Cross-References: CVE-2020-28200 CVE-2021-29157 CVSS scores: CVE-2020-28200 NVD : 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L...

The value of regulator-driven red teaming: CBEST

How do we in the UK avoid something like the Colonial Oil Pipeline ransomware attack happening? How would you feel if your mobile phone suddenly stopped working altogether? What if ambulances couldn’t respond to 999 emergency calls? What if the mechanism of government suddenly ground to a halt? T...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2021-9368)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-9368 advisory. 4.14.35-2047.505.4.3 - seqfile: disallow extremely large seq buffer allocations Eric Sandeen Orabug: 33142065 CVE-2021-33909 Tenable has extracted the preceding...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-5016-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5016-1 advisory. It was discovered that the virtual file system implementation in the Linux kernel contained an unsigned to signed integer conversion error. A local...

CVE-2021-34461

Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability...

CVE-2021-34461

Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability...

Privilege escalation

Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability...

CVE-2021-34461

CVE-2021-34461 is an elevation of privilege vulnerability in the Windows Container Isolation FS Filter Driver. The available connected materials identify the issue as a local privilege escalation within the FS filter component used for container isolation, enabling an attacker with local access t...

Docker Engine before 1.6.1 uses weak permissions for (1) /proc/asound (2) /proc/timer_stats (3) /proc/latency_stats and (4) /proc/fs which allows local users to modify the host obtain sensitive information and perform protocol downgrade attacks via a crafted image.

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USN-5010-1: QEMU vulnerabilities

Lei Sun discovered that QEMU incorrectly handled certain MMIO operations. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2020-15469 Wenxiang Qian discovered that QEMU incorrectly handled certain ATAPI commands. An attacker...

CVE-2021-33779

Windows AD FS Security Feature Bypass Vulnerability...

Security feature bypass

Windows AD FS Security Feature Bypass Vulnerability...

CVE-2021-33779 Windows AD FS Security Feature Bypass Vulnerability

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Windows AD FS Security Feature Bypass Vulnerability

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Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability

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Microsoft finds new NETGEAR firmware vulnerabilities that could lead to identity theft and full system compromise

The continuous improvement of security solutions has forced attackers to explore alternative ways to compromise systems. The rising number of firmware attacks and ransomware attacks via VPN devices and other internet-facing systems are examples of attacks initiated outside and below the operating...

CVE-2021-29157

Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver...

Path traversal

Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver...