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CVE-2011-2516

Status Candidate

Overview

Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as used in Shibboleth before 2.4.3 and possibly other products, allows remote attackers to cause a denial of service (crash) via a signature using a large RSA key, which triggers a buffer overflow.

Related Files

Debian Security Advisory 2277-1
Posted Jul 11, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2277-1 - It has been discovered that xml-security-c, an implementation of the XML Digital Signature and Encryption specifications, is not properly handling RSA keys of sizes on the order of 8192 or more bits. This allows an attacker to crash applications using this functionality or potentially execute arbitrary code by tricking an application into verifying a signature created with a sufficiently long RSA key.

tags | advisory, arbitrary
systems | linux, debian
advisories | CVE-2011-2516
SHA-256 | 671c9d059c3eb110c989e5c2032c29907a69a1738a8a70c59d9c414cfb7fe5ff
Apache XML Security Library Buffer Overflows
Posted Jul 7, 2011
Authored by Scott Cantor

Apache Santuario XML Security for C++ library versions prior to 1.6.1 suffer from multiple buffer overflows when signing and verifying large keys.

tags | advisory, overflow
advisories | CVE-2011-2516
SHA-256 | 7d90e9019ddd3fff89b181daaaed2d5e7ba0b2a6e22d003a938dd0aae8c79f8e
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