Information disclosure in Internet2 Opensaml
CVE-2013-6440
The (1) BasicParserPool, (2) StaticBasicParserPool, (3) XML Decrypter, and (4) SAML Decrypter in Shibboleth OpenSAML-Java before 2.6.1 set the expandEntityReferences property to true, which allows remote attackers to conduct XML external entity (XXE) attacks via a crafted XML DOCTYPE declaration.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.028 (85.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Internet2 Opensaml — versions 2.0, 2.1.0, 2.2.0
- Shibboleth Opensaml — versions 2.4.0, 2.4.1, 2.4.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2014-0170.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2014-0195.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2014-0172.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2014-0171.html (vendor-advisory)
- www.oracle.com/security-alerts/cpujan2022.html
- blog.sendsafely.com/post/69590974866/web-based-single-sign-on-and-the-dangers-o…
- shibboleth.net/community/advisories/secadv_20131213.txt
- bugzilla.redhat.com/show_bug.cgi
Frequently asked questions
- What is CVE-2013-6440?
- CVE-2013-6440 is a vulnerability in Internet2 Opensaml, classified under Information Disclosure. Published 2014-02-14.
- Is CVE-2013-6440 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.