Syslabs/sif is the Singularity Image Format (SIF) reference implementation. As a workaround, cached content can be cleared by re-deploying the site. This problem has been fixed in version 1.2.3. The image URL can be set in the header independently of the request URL, meaning any site images that have not previously been cached can have their cache poisoned. Note that this does not apply to images loaded in `` tags, as scripts do not execute in this context. XSS can be achieved by requesting a malicious SVG with embedded scripts, which would then be served from the site domain.
Because the response is cached globally, this image will then be served to visitors without requiring those headers to be set. In versions prior to 1.2.3, an attacker can bypass the source image domain allowlist by sending specially crafted headers, causing the handler to load and return arbitrary images. Netlify-ipx is an on-Demand image optimization for Netlify using ipx. An attacker can leverage this vulnerability to execute code in the context of the current process. Crafted data in a TIF image can trigger a read past the end of an allocated buffer.
The specific flaw exists within the parsing of TIF images. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. This vulnerability allows remote attackers to execute arbitrary code on affected installations of NIKON NIS-Elements Viewer 1.2100.1483.0.
Jenkins Anchore Container Image Scanner Plugin 1.0.24 and earlier does not escape content provided by the Anchore engine API, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control API responses by Anchore engine.
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