XML External Entity (XXE) Injection The advisory has been revoked - it doesn't affect any version of package apr-util (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-APRUTIL-653513
- published25 Jul 2017
- disclosed25 Jul 2017
Introduced: 25 Jul 2017
CVE-2017-9233 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream apr-util package and not the apr-util package as distributed by Ubuntu.
XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-9233
- https://support.apple.com/HT208112
- https://support.apple.com/HT208113
- https://support.apple.com/HT208115
- https://support.apple.com/HT208144
- https://github.com/libexpat/libexpat/blob/master/expat/Changes
- https://libexpat.github.io/doc/cve-2017-9233/
- https://support.f5.com/csp/article/K03244804
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9233
- http://www.debian.org/security/2017/dsa-3898
- https://security-tracker.debian.org/tracker/CVE-2017-9233
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- http://www.openwall.com/lists/oss-security/2017/06/17/7
- http://www.securityfocus.com/bid/99276
- http://www.securitytracker.com/id/1039427
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E