XXE in Google Android
CVE-2017-7375
A flaw in libxml2 allows remote XML entity inclusion with default parser flags (i.e., when the caller did not request entity substitution, DTD validation, external DTD subset loading, or default DTD attributes). Depending on the context, this may expose a higher-risk attack surface in libxml2 not usually reachable with default parser flags, and expose content from local files, HTTP, or FTP servers (which might be otherwise unreachable).
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.030 (87.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.030 · change: +0.004
Affected products
- Google Android — versions 4.4.4, 5.0.2, 5.1.1
- Xmlsoft Libxml2 — versions 2.9.4
- Debian Linux — versions 7.0, 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- android.googlesource.com/platform/external/libxml2/+/308396a55280f69ad4112d4f98… (Patch, Third Party Advisory)
- source.android.com/security/bulletin/2017-06-01 (Patch, Third Party Advisory)
- www.debian.org/security/2017/dsa-3952 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/98877 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201711-01 (vendor-advisory, Third Party Advisory)
- git.gnome.org/browse/libxml2/commit/ (Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.securitytracker.com/id/1038623 (VDB Entry, Third Party Advisory, vdb-entry)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2017-7375?
- CVE-2017-7375 is a critical-severity vulnerability in Google Android, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2018-02-19.
- How severe is CVE-2017-7375?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-7375 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.