It was discovered that an XML external entities vulnerability in the Apache FOP XML formatter may result in information disclosure. For the stable distribution (jessie), this problem has been fixed in . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 - ------------------------------------------------------------------------- Debian Security Advisory DSA-3864-1
In Apache FOP before 2.2, files lying on the filesystem of the server which uses FOP can be revealed to arbitrary users who send maliciously formed SVG files. The file types that can be shown depend on the user context in which the exploitable application is running. If the user is . Package : fop Version : 1:1.0.dfsg2-6+deb7u1 CVE ID : CVE-2017-5661 Debian Bug : 860567 In Apache FOP before 2.2, files lying on the filesystem of the server which uses FOP can be revealed to arbitrary users who send maliciously formed SVG files. The file types that can be shown depend on the user context in which the exploitable application is running. If the user is root a full compromise of the server - including confidential or sensitive files - would be possible. XXE can also be used to attack the availability of the server via denial of service as the references within a xml document can trivially trigger an amplification attack. For Debian 7 "Wheezy", these problems have been fixed in version 1:1.0.dfsg2-6+deb7u1. We recommend that you upgrade your fop packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS . Patch released for Apache FOP addressing file leaks and Denial of Service vulnerabilities in Debian 7. It's advisable to update to version 1:1.0.dfsg2-6+deb7u1.. Debian, FOP Security, File Exposure, DoS Risk. . Severity: Critical. LinuxSecurity.com Team
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