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CVE-2024-42353 is an open-redirect vulnerability in WebOb's normalization of HTTP Location headers. When converting a redirect location to an absolute URL, WebOb parses and joins an application-controlled redirect target with the request base URL. A target beginning with a protocol-relative reference, such as a double slash followed by a host, is parsed as having its own authority component. URL joining then replaces the request hostname with the attacker-controlled hostname, rather than retaining the expected application origin. The issue is fixed in WebOb 1.8.8.
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No public exploit code observed for this vulnerability.
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12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability affecting the WebOb Python web framework packages in ZTE NewStart CGSL Main 7. The supplied CVSS v3 vector indicates a network-reachable, low-complexity issue requiring user interaction, with low confidentiality and integrity impact across a changed scope.
The original WebOb open-redirect vulnerability/fix referenced as the first issue in the sequence of incomplete redirect-normalization fixes.
Unknown; listed as a CVE reference in this OpenShift advisory without further details.
Unknown; the advisory identifies this CVE as addressed but supplies no technical details.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.