7.5
HIGH
CVE-2007-4137
Trolltech Qt Denial of Service Buffer Overflow
Description

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.

INFO

Published Date :

Sept. 18, 2007, 7:17 p.m.

Last Modified :

Nov. 21, 2024, 12:34 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2007-4137 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat linux
1 Mandrakesoft mandrake_linux
2 Mandrakesoft mandrake_linux_corporate_server
1 Ubuntu ubuntu_linux
1 Conectiva linux
1 Gentoo linux
1 Trolltech qt
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2007-4137.

URL Resource
ftp://patches.sgi.com/support/free/security/advisories/20070901-01-P.asc
http://bugs.gentoo.org/show_bug.cgi?id=192472
http://dist.trolltech.com/developer/download/175791_3.diff
http://dist.trolltech.com/developer/download/175791_4.diff
http://fedoranews.org/updates/FEDORA-2007-221.shtml
http://fedoranews.org/updates/FEDORA-2007-703.shtml
http://osvdb.org/39384
http://secunia.com/advisories/26778 Vendor Advisory
http://secunia.com/advisories/26782 Vendor Advisory
http://secunia.com/advisories/26804
http://secunia.com/advisories/26811 Vendor Advisory
http://secunia.com/advisories/26857
http://secunia.com/advisories/26868
http://secunia.com/advisories/26882
http://secunia.com/advisories/26987
http://secunia.com/advisories/27053
http://secunia.com/advisories/27275
http://secunia.com/advisories/27382
http://secunia.com/advisories/27996
http://secunia.com/advisories/28021
http://security.gentoo.org/glsa/glsa-200710-28.xml
http://security.gentoo.org/glsa/glsa-200712-08.xml
http://securitytracker.com/id?1018688
http://support.avaya.com/elmodocs2/security/ASA-2007-424.htm
http://trolltech.com/company/newsroom/announcements/press.2007-09-03.7564032119
http://www.debian.org/security/2007/dsa-1426
http://www.mandriva.com/security/advisories?name=MDKSA-2007:183
http://www.novell.com/linux/security/advisories/2007_19_sr.html
http://www.redhat.com/support/errata/RHSA-2007-0883.html
http://www.securityfocus.com/archive/1/481498/100/0/threaded
http://www.securityfocus.com/bid/25657
http://www.ubuntu.com/usn/usn-513-1
http://www.vupen.com/english/advisories/2007/3144
https://bugzilla.redhat.com/show_bug.cgi?id=269001
https://issues.rpath.com/browse/RPL-1751
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11159
ftp://patches.sgi.com/support/free/security/advisories/20070901-01-P.asc
http://bugs.gentoo.org/show_bug.cgi?id=192472
http://dist.trolltech.com/developer/download/175791_3.diff
http://dist.trolltech.com/developer/download/175791_4.diff
http://fedoranews.org/updates/FEDORA-2007-221.shtml
http://fedoranews.org/updates/FEDORA-2007-703.shtml
http://osvdb.org/39384
http://secunia.com/advisories/26778 Vendor Advisory
http://secunia.com/advisories/26782 Vendor Advisory
http://secunia.com/advisories/26804
http://secunia.com/advisories/26811 Vendor Advisory
http://secunia.com/advisories/26857
http://secunia.com/advisories/26868
http://secunia.com/advisories/26882
http://secunia.com/advisories/26987
http://secunia.com/advisories/27053
http://secunia.com/advisories/27275
http://secunia.com/advisories/27382
http://secunia.com/advisories/27996
http://secunia.com/advisories/28021
http://security.gentoo.org/glsa/glsa-200710-28.xml
http://security.gentoo.org/glsa/glsa-200712-08.xml
http://securitytracker.com/id?1018688
http://support.avaya.com/elmodocs2/security/ASA-2007-424.htm
http://trolltech.com/company/newsroom/announcements/press.2007-09-03.7564032119
http://www.debian.org/security/2007/dsa-1426
http://www.mandriva.com/security/advisories?name=MDKSA-2007:183
http://www.novell.com/linux/security/advisories/2007_19_sr.html
http://www.redhat.com/support/errata/RHSA-2007-0883.html
http://www.securityfocus.com/archive/1/481498/100/0/threaded
http://www.securityfocus.com/bid/25657
http://www.ubuntu.com/usn/usn-513-1
http://www.vupen.com/english/advisories/2007/3144
https://bugzilla.redhat.com/show_bug.cgi?id=269001
https://issues.rpath.com/browse/RPL-1751
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11159

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2007-4137 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2007-4137 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description 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. 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.
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description CVE-2007-4137 QT off by one buffer overflow 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.
    Removed Reference https://access.redhat.com/errata/RHSA-2007:0883 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2007-4137 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description 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. CVE-2007-4137 QT off by one buffer overflow
    Added Reference https://access.redhat.com/security/cve/CVE-2007-4137 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2007:0883 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 15, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/481498/100/0/threaded [No Types Assigned]
    Added Reference http://www.securityfocus.com/archive/1/481498/100/0/threaded [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11159 [No Types Assigned]
    Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11159 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 19, 2007

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.32 }} -0.22%

score

0.86250

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability