Home/CVE/Heap-based buffer overflow in RealPlayer 10 and earlier, Helix Player before 10.0.4, and RealOne Player v1 and v2 allows
CVE
CVE-2005-0755
Heap-based buffer overflow in RealPlayer 10 and earlier, Helix Player before 10.0.4, and RealOne Player v1 and v2 allows
Heap-based buffer overflow in RealPlayer 10 and earlier, Helix Player before 10.0.4, and RealOne Player v1 and v2 allows remote attackers to execute arbitrary code via a long hostname in a RAM file.
MEDIUM · CVSS 5.1
EPSS 0.08417
Monitor
- EPSS percentile: top 7% of all CVEs by exploitation likelihood
Sigma rules0
YARA rules0
Look this up elsewhere - one-click external pivots
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How to read a CVE - triage first, then detect and patch
This page is every public fact about CVE-2005-0755, cross-linked. Its job is to answer one question fast - does this need my attention now? - and then hand you the two things you do about it. Here is how an analyst reads it.
Triage: should I act now? Four signals, and they are not interchangeable:
CVSSseverity - how bad it is IF exploited, 0-10. A high CVSS alone is not urgency; a flaw can be a perfect 10 and never actually be attacked.
EPSSprobability - a model’s estimate of the chance it is exploited in the next 30 days, 0-1. This is the “will it actually happen” signal.
CISA KEVconfirmed - it is being exploited in the wild right now. The strongest signal on the page; KEV beats any score.
Weaponisedavailability - public exploits / PoCs, and especially Metasploit modules rated Excellent / Great. Reliable, packaged exploit code means low-skill attackers can use it today.
How they combine: KEV, or a dependable Metasploit module, means patch now regardless of CVSS. High CVSS + low EPSS + no exploit is real but not an emergency - schedule it. Low CVSS but KEV-listed still gets patched now. The verdict above already weighed these for you; this is how it got there.
Then what - two workflows:
Detectwhen you cannot patch today, follow this CVE to the ATT&CK techniques it enables, then Build a SIEM detection (the green button) - author a rule, test it in Atomic, deploy it. That buys visibility while the patch waits.
PatchAffected products / packages tell you if you are exposed; Fixed versions by distribution and Vendor advisories give the exact version that closes it.
Reading order for the panels below: verdict + badges, then Public exploits / Metasploit (is it weaponised), then ATT&CK techniques + Sigma / IDS rules (can I detect it), then Affected products / packages + Fixed versions (am I exposed, what patches it), then Threat actors / IOCs (who uses it), then Scoring & timeline / references (the evidence).
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ATT&CK techniques
2Techniques this CVE enables - linked via CWECAPECATT&CK. High◆ = named directly in ATT&CK or Nuclei templates.
▤ Build a SIEM detection for these techniques▤
Affected Products & Versions
3realnetworks helix player<= 10.0.3
realnetworks realone playerall versions
realnetworks realplayerall versions
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Detection Rules (IDS/IPS)
3snort-communityFILE-MULTIMEDIA RealNetworks RealPlayer playlist file URL overflow attemptattempted-user
snort-communityFILE-MULTIMEDIA RealNetworks RealPlayer playlist http URL overflow attemptattempted-user
snort-communityFILE-MULTIMEDIA RealNetworks RealPlayer playlist rtsp URL overflow attemptattempted-user
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
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Scoring & Timeline
5.1
MEDIUM · CVSS v2 (legacy) · [email protected]
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:H/Au:N/C:P/I:P/A:P
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Vendor Advisories
3🔗
References & Sources
8Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://marc.info/?l=bugtraq&m=111401615202987&w=2Third Party Advisory
http://pb.specialised.info/all/adv/real-ram-adv.txtThird Party Advisory
http://service.real.com/help/faq/security/050419_player/EN/Third Party Advisory
http://www.redhat.com/archives/fedora-announce-list/2005-April/msg00040.htmlThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2005-363.htmlThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2005-392.htmlThird Party Advisory