Category Archives: Advisories

CVE-2021-0707

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In dma_buf_release of dma-buf.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-155756045References: Upstream kernel

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USN-5372-1: Subversion vulnerabilities

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Evgeny Kotkov discovered that Subversion servers did not properly follow
path-based authorization rules in certain cases. An attacker could
potentially use this issue to retrieve information about private paths.
(CVE-2021-28544)

Thomas Weißschuh discovered that Subversion servers did not properly handle
memory in certain configurations. A remote attacker could potentially use
this issue to cause a denial of service or other unspecified impact.
(CVE-2022-24070)

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Post Title

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A vulnerability has been discovered in the Linux kernel, which could allow for data overwrite in arbitrary read-only files by non-privilege users. Linux is a family of open-source Unix-like operating systems based on the Linux kernel. Successful exploitation of this vulnerability could allow for root privilege escalation.

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CVE-2021-31805

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The fix issued for CVE-2020-17530 was incomplete. So from Apache Struts 2.0.0 to 2.5.29, still some of the tag’s attributes could perform a double evaluation if a developer applied forced OGNL evaluation by using the %{…} syntax. Using forced OGNL evaluation on untrusted user input can lead to a Remote Code Execution and security degradation.

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USN-5371-1: nginx vulnerabilities

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It was discovered that nginx Lua module mishandled certain inputs.
An attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affects Ubuntu 18.04 LTS and
Ubuntu 20.04 LTS. (CVE-2020-11724)

It was discovered that nginx Lua module mishandled certain inputs.
An attacker could possibly use this issue to disclose sensitive
information. This issue only affects Ubuntu 18.04 LTS and
Ubuntu 20.04 LTS. (CVE-2020-36309)

It was discovered that nginx mishandled the use of
compatible certificates among multiple encryption protocols.
If a remote attacker were able to intercept the communication,
this issue could be used to redirect traffic between subdomains.
(CVE-2021-3618)

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CVE-2021-32040

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It may be possible to have an extremely long aggregation pipeline in conjunction with a specific stage/operator and cause a stack overflow due to the size of the stack frames used by that stage. If an attacker could cause such an aggregation to occur, they could maliciously crash MongoDB in a DoS attack. This vulnerability affects MongoDB versions prior to 5.0.4, 4.4.11, 4.2.16.

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Post Title

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Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution in the context of the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

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