Buffer overflow in Realnetworks Helix Player
CVE-2010-0416
Buffer overflow in the Unescape function in common/util/hxurl.cpp and player/hxclientkit/src/CHXClientSink.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a URL argument containing a % (percent) character that is not followed by two hex digits.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.113 (95.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.113 · newest: 0.113 · change: 0.000
Affected products
- Realnetworks Helix Player — versions 1.0.6
- Realnetworks Realplayer
Weakness classification (CWE)
References
- lists.helixcommunity.org/pipermail/common-cvs/2007-July/014956.html (mailing-list, Exploit)
- secunia.com/advisories/38450 (third-party-advisory)
- www.redhat.com/support/errata/RHSA-2010-0094.html (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi
- helixcommunity.org/viewcvs/common/util/hxurl.cpp
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:10847 (signature, vdb-entry)