CVE-2020-2034-POC

CVE-2020-2034-POC 确定Palo Alto网络防火墙Global Protect Portal上运行的版本 最近Palo Alto Networks发布了许多关键漏洞，详见： https://security.paloaltonetworks.com/?severity=CRITICAL&product=PAN-OS&sort=-date 这是一个PoC，通过检查favicon和login.esp的curl扫描中的etag，来确定防火墙使用的版本。 参考： CWE-78影响： https://cwe.mitre.org/data/definitions/78 来自The...

CVE-2026-82982

The Approval app's approve/reject endpoint is meant to require the file's current etag as a freshness check, preventing an approver from approving or rejecting a file whose contents changed after they reviewed it. The backend only enforced this check when the etag parameter was present and...

CVE-2026-82982

The Approval app's approve/reject endpoint is meant to require the file's current etag as a freshness check, preventing an approver from approving or rejecting a file whose contents changed after they reviewed it. The backend only enforced this check when the etag parameter was present and...

EUVD-2026-82619

The Approval app's approve/reject endpoint is meant to require the file's current etag as a freshness check, preventing an approver from approving or rejecting a file whose contents changed after they reviewed it. The backend only enforced this check when the etag parameter was present and...

CVE-2026-82982

The Approval app's approve/reject endpoint contained a bypass in its etag freshness check , which is designed to prevent an approver from approving or rejecting a file whose contents changed after review. The backend only enforced the check when the etag parameter was present and non-empty; an at...

Astra Linux – Vulnerability in ruby-sinatra

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there was a denial-of-service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method was used when constructing the response. Carefully crafted...

CVE-2026-73291

Seerr (open-source media manager for Jellyfin/Plex/Emby) prior to v3.4.0 contains a flaw in ImageProxy: the code uses upstream ETag and Content-Type headers to build the cache filename for the unauthenticated GET /avatarproxy/:jellyfinUserId route. This allows a malicious or compromised Jellyfin/...

Nextcloud: Approval app's file-freshness check can be bypassed by omitting the etag parameter, allowing approval of unreviewed file changes

A vulnerability was discovered in the approval app's file-freshness check. The vulnerability allowed bypassing the check by omitting the etag parameter, enabling approval of unreviewed file changes. This broke the integrity of the approval process, as the approver could approve a different file...

Regular Expression Denial Of Service (ReDoS)

sinatra is vulnerable to Denial-Of-Service. The vulnerability is due to inefficient header parsing when the etag method is used, allowing attackers to send crafted headers that consume excessive CPU time and cause denial of service...

CVE-2025-61921

A flaw was found in Sinatra. A Regular Expression Denial of Service ReDoS vulnerability can be triggered when parsing the If-Match and If-None-Match HTTP headers. A remote attacker can exploit this issue by sending a specially crafted header to an application endpoint that uses the etag method,...

Linux Distros Unpatched Vulnerability : CVE-2025-61921

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the...

SUSE CVE-2025-61921

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

GHSA-MR3Q-G2MV-MR4Q Sinatra is vulnerable to ReDoS through ETag header value generation

Summary There is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response and you are using Ruby = 3.2...

Sinatra is vulnerable to ReDoS through ETag header value generation

Summary There is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response and you are using Ruby = 3.2...

DEBIAN-CVE-2025-61921

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

CVE-2025-61921

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

UBUNTU-CVE-2025-61921

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

CVE-2025-61921

CVE-2025-61921 affects Sinatra up to version 4.1.x (pre-4.2.0), where parsing of If-Match and If-None-Match headers during response construction with etag can consume excessive time, enabling a possible DoS. The issue is tied to the header parsing component and impacts applications using the etag...

CVE-2025-61921 Sinatra has ReDoS vulnerability in ETag header value generation

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...

EUVD-2025-33767

Sinatra is a domain-specific language for creating web applications in Ruby. In versions prior to 4.2.0, there is a denial of service vulnerability in the If-Match and If-None-Match header parsing component of Sinatra, if the etag method is used when constructing the response. Carefully crafted...