Buffer overflow in Conectiva Linux
CVE-2007-4137
Off-by-one error in the QUtf8Decoder::toUnicode function in Trolltech Qt 3 allows context-dependent attackers to cause a denial of service (crash) via a crafted Unicode string that triggers a heap-based buffer overflow. NOTE: Qt 4 has the same error in the QUtf8Codec::convertToUnicode function, but it is not exploitable.
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: 0.023 (83.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Conectiva Linux — versions 9.0, 10.0
- Gentoo Linux
- Mandrakesoft Mandrake Linux — versions 9.2, 10.0, 2007
- Mandrakesoft Mandrake Linux Corporate Server — versions 3.0, 4.0
- Trolltech Qt — versions 3.0, 3.0.3, 3.0.5
- Red Hat Enterprise Linux — versions 2.1, 3.0, 4.0
- Red Hat Linux — versions 2.1, 3.0, 4.0
- Ubuntu Linux — versions 6.06_lts, 6.10, 7.04
Weakness classification (CWE)
References
- bugs.gentoo.org/show_bug.cgi
- www.mandriva.com/security/advisories (vendor-advisory)
- www.novell.com/linux/security/advisories/2007_19_sr.html (vendor-advisory)
- secunia.com/advisories/26868 (third-party-advisory)
- support.avaya.com/elmodocs2/security/ASA-2007-424.htm
- issues.rpath.com/browse/RPL-1751
- secunia.com/advisories/26811 (Vendor Advisory, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:11159 (signature, vdb-entry)
- secunia.com/advisories/27053 (third-party-advisory)
- secunia.com/advisories/27996 (third-party-advisory)