Several vulnerabilities have been discovered in qt4-x11, a cross-platform C++ application framework. The Common Vulnerabilities and Exposures project identifies the following problems :

  - CVE-2009-0945     Array index error in the insertItemBefore method in     WebKit, as used in qt4-x11, allows remote attackers to     execute arbitrary code.

  - CVE-2009-1687     The JavaScript garbage collector in WebKit, as used in     qt4-x11 does not properly handle allocation failures,     which allows remote attackers to execute arbitrary code     or cause a denial of service (memory corruption and     application crash) via a crafted HTML document that     triggers write access to an 'offset of a NULL pointer.

  - CVE-2009-1690     Use-after-free vulnerability in WebKit, as used in     qt4-x11, allows remote attackers to execute arbitrary     code or cause a denial of service (memory corruption and     application crash) by setting an unspecified property of     an HTML tag that causes child elements to be freed and     later accessed when an HTML error occurs.

  - CVE-2009-1698     WebKit in qt4-x11 does not initialize a pointer during     handling of a Cascading Style Sheets (CSS) attr function     call with a large numerical argument, which allows     remote attackers to execute arbitrary code or cause a     denial of service (memory corruption and application     crash) via a crafted HTML document.

  - CVE-2009-1699     The XSL stylesheet implementation in WebKit, as used in     qt4-x11 does not properly handle XML external entities,     which allows remote attackers to read arbitrary files     via a crafted DTD.

  - CVE-2009-1711     WebKit in qt4-x11 does not properly initialize memory     for Attr DOM objects, which allows remote attackers to     execute arbitrary code or cause a denial of service     (application crash) via a crafted HTML document.

  - CVE-2009-1712     WebKit in qt4-x11 does not prevent remote loading of     local Java applets, which allows remote attackers to     execute arbitrary code, gain privileges, or obtain     sensitive information via an APPLET or OBJECT element.

  - CVE-2009-1713     The XSLT functionality in WebKit, as used in qt4-x11     does not properly implement the document function, which     allows remote attackers to read arbitrary local files     and files from different security zones.

  - CVE-2009-1725     WebKit in qt4-x11 does not properly handle numeric     character references, which allows remote attackers to     execute arbitrary code or cause a denial of service     (memory corruption and application crash) via a crafted     HTML document.

  - CVE-2009-2700     qt4-x11 does not properly handle a '\0' character in a     domain name in the Subject Alternative Name field of an     X.509 certificate, which allows man-in-the-middle     attackers to spoof arbitrary SSL servers via a crafted     certificate issued by a legitimate Certification     Authority.

The oldstable distribution (etch) is not affected by these problems.

Multiple vulnerabilities was discovered and corrected in kdelibs4 :

KDE KSSL in kdelibs 3.5.4, 4.2.4, and 4.3 does not properly handle a '&#0;' (NUL) character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408 (CVE-2009-2702).

The JavaScript garbage collector in WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 does not properly handle allocation failures, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted HTML document that triggers write access to an offset of a NULL pointer.
(CVE-2009-1687).

WebKit in Apple Safari before 4.0.2, KHTML in kdelibs in KDE, QtWebKit (aka Qt toolkit), and possibly other products does not properly handle numeric character references, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted HTML document (CVE-2009-1725).

Use-after-free vulnerability in WebKit, as used in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Google Chrome 1.0.154.53, and possibly other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) by setting an unspecified property of an HTML tag that causes child elements to be freed and later accessed when an HTML error occurs, related to recursion in certain DOM event handlers. (CVE-2009-1690).

WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 does not initialize a pointer during handling of a Cascading Style Sheets (CSS) attr function call with a large numerical argument, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted HTML document (CVE-2009-1698).

KDE Konqueror allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692 (CVE-2009-2537).

The gdtoa (aka new dtoa) implementation in gdtoa/misc.c in libc in FreeBSD 6.4 and 7.2, NetBSD 5.0, and OpenBSD 4.5 allows context-dependent attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a large precision value in the format argument to a printf function, related to an array overrun. (CVE-2009-0689).

WebKit, as used in Safari before 3.2.3 and 4 Public Beta, on Apple Mac OS X 10.4.11 and 10.5 before 10.5.7 and Windows allows remote attackers to execute arbitrary code via a crafted SVGList object that triggers memory corruption (CVE-2009-0945).

The updated packages have been patched to correct these issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
44852	Debian DSA-1988-1 : qt4-x11 - several vulnerabilities	Nessus	Debian Local Security Checks	2010/2/24	2021/1/4	high
48170	Mandriva Linux Security Advisory : kdelibs4 (MDVSA-2010:027)	Nessus	Mandriva Local Security Checks	2010/7/30	2021/1/6	high

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