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CVE-2023-21722: .NET Framework Denial of Service Vulnerability

**According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?** Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

Microsoft Security Response Center
#vulnerability#web#dos#auth#.NET Framework#Security Vulnerability
CVE-2023-21567: Visual Studio Denial of Service Vulnerability

**According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?** Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

Massive HTTP DDoS Attack Hits Record High of 71 Million Requests/Second

Web infrastructure company Cloudflare on Monday disclosed that it thwarted a record-breaking distributed denial-of-service (DDoS) attack that peaked at over 71 million requests per second (RPS). "The majority of attacks peaked in the ballpark of 50-70 million requests per second (RPS) with the largest exceeding 71 million," the company said, calling it a "hyper-volumetric" DDoS attack. It's also

GHSA-344m-qcjq-xgrf: Vulnerable OpenSSL included in sgx-dcap-quote-verify-python

sgx-dcap-quote-verify-python includes a statically linked copy of OpenSSL. The version of OpenSSL included in sgx-dcap-quote-verify-python 0.0.1..0.0.2 is vulnerable to a security issue. More details about the OpenSSL vulnerabilities themselves can be found at https://www.openssl.org/news/secadv/20230207.txt. ## Analysis The binding includes OpenSSL version 1.1.1s which is vulnerable to the vulnerabilities disclosed in [OpenSSL Security Advisory from the 7th February 2023](https://www.openssl.org/news/secadv/20230207.txt). The binding does not directly use OpenSSL. The binding calls the SGX Quote Verification Library which uses OpenSSL. ## Explanation The SGX Quote Verification Library uses OpenSSL as a dependency to perform its cryptographic operations and certificate verification. The OpenSSL security advisory mentions multiple vulnerabilities but I believe the most concerning would be CVE-2023-0286 “X.400 address type confusion in X.509 GeneralName”. Its severity is rated high an...

CVE-2023-0800: 2023/CVE-2023-0800.json · master · GitLab.org / cves · GitLab

LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3502, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.

CVE-2023-0802: 2023/CVE-2023-0802.json · master · GitLab.org / cves · GitLab

LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3724, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.

CVE-2023-0803: tiffcrop: heap-buffer-overflow in extractContigSamplesShifted16bits, tiffcrop.c:3516 (#501) · Issues · libtiff / libtiff · GitLab

LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3516, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.

CVE-2023-0804: Merge branch 'tiffcrop_composite_image_assumption_test_fix#496' into 'master' (33aee127) · Commits · libtiff / libtiff · GitLab

LibTIFF 4.4.0 has an out-of-bounds write in tiffcrop in tools/tiffcrop.c:3609, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 33aee127.

CVE-2023-0798: 2023/CVE-2023-0798.json · master · GitLab.org / cves · GitLab

LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3400, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit afaabc3e.

CVE-2023-0799: 2023/CVE-2023-0799.json · master · GitLab.org / cves · GitLab

LibTIFF 4.4.0 has an out-of-bounds read in tiffcrop in tools/tiffcrop.c:3701, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit afaabc3e.