7.5high

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…

Published 19 y ago · modified 4 mo ago · JSON

CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.3%
percentile 84%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

2.34% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • bugs.gentoo.org /show_bug.cgi?id=192472 · x_refsource_CONFIRM, x_transferred
  • mandriva.com /security/advisories?name=MDKSA-2007:183 · vendor-advisory, x_refsource_MANDRIVA, x_transferred
  • novell.com /linux/security/advisories/2007_19_sr.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • secunia.com /advisories/26868 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • support.avaya.com /elmodocs2/security/ASA-2007-424.htm · x_refsource_CONFIRM, x_transferred
  • issues.rpath.com /browse/RPL-1751 · x_refsource_CONFIRM, x_transferred
  • secunia.com /advisories/26811 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11159 · vdb-entry, signature, x_refsource_OVAL, x_transferred
  • secunia.com /advisories/27053 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/27996 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/27275 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/27382 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/26857 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • trolltech.com /company/newsroom/announcements/press.2007-09-03.7564032119 · x_refsource_CONFIRM, x_transferred
  • secunia.com /advisories/26778 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=269001 · x_refsource_MISC, x_transferred
  • secunia.com /advisories/26882 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/26987 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • security.gentoo.org /glsa/glsa-200710-28.xml · vendor-advisory, x_refsource_GENTOO, x_transferred
  • vupen.com /english/advisories/2007/3144 · vdb-entry, x_refsource_VUPEN, x_transferred
  • dist.trolltech.com /developer/download/175791_4.diff · x_refsource_MISC, x_transferred
  • osvdb.org /39384 · vdb-entry, x_refsource_OSVDB, x_transferred
  • secunia.com /advisories/26804 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • secunia.com /advisories/26782 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • dist.trolltech.com /developer/download/175791_3.diff · x_refsource_MISC, x_transferred
  • fedoranews.org /updates/FEDORA-2007-703.shtml · vendor-advisory, x_refsource_FEDORA, x_transferred
  • fedoranews.org /updates/FEDORA-2007-221.shtml · vendor-advisory, x_refsource_FEDORA, x_transferred
  • security.gentoo.org /glsa/glsa-200712-08.xml · vendor-advisory, x_refsource_GENTOO, x_transferred
  • secunia.com /advisories/28021 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • redhat.com /support/errata/RHSA-2007-0883.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securitytracker.com /id?1018688 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /archive/1/481498/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • ubuntu.com /usn/usn-513-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/25657 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2007/dsa-1426 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.