Vulnerability in Tightvnc
CVE-2009-0388
Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.133 (96.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.133 · newest: 0.133 · change: 0.000
Affected products
Weakness classification (CWE)
References
- forum.ultravnc.info/viewtopic.php
- vnc-tight.svn.sourceforge.net/viewvc/vnc-tight
- www.vupen.com/english/advisories/2009/0321 (vdb-entry)
- www.securityfocus.com/bid/33568 (Exploit, Patch, vdb-entry)
- www.securityfocus.com/archive/1/500632/100/0/threaded (mailing-list)
- www.exploit-db.com/exploits/8024 (exploit)
- www.coresecurity.com/content/vnc-integer-overflows (Exploit)
- www.vupen.com/english/advisories/2009/0322 (vdb-entry)
- www.exploit-db.com/exploits/7990 (exploit)
- secunia.com/advisories/33807 (third-party-advisory)