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National Cyber-Alert System

Vulnerability Summary for CVE-2007-4568

Original release date:10/05/2007
Last revised:09/05/2008
Source: US-CERT/NIST

Overview

Integer overflow in the build_range function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values, which triggers a heap-based buffer overflow.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statments (disclaimer)

Official Statement from Red Hat (10/08/2007)
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2007-4568 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA08-043B
Name: TA08-043B
Hyperlink:http://www.us-cert.gov/cas/techalerts/TA08-043B.html
External Source: MLIST
Name: [xorg-announce] 20071002 [ANNOUNCE] X.Org security advisory: multiple vulnerabilities in X font server
Type: Patch Information
Hyperlink:http://lists.freedesktop.org/archives/xorg-announce/2007-October/000416.html
External Source: IDEFENSE
Name: 20071002 Multiple Vendor X Font Server Multiple Vulnerabilities
Type: Patch Information
Hyperlink:http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=602
External Source: FEDORA
Name: FEDORA-2007-4263
Hyperlink:https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00352.html
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1756
Hyperlink:https://issues.rpath.com/browse/RPL-1756
External Source: XF
Name: xfs-protocol-requests-bo(36919)
Hyperlink:http://xforce.iss.net/xforce/xfdb/36919
External Source: SECTRACK
Name: 1018763
Hyperlink:http://www.securitytracker.com/id?1018763
External Source: BID
Name: 25898
Hyperlink:http://www.securityfocus.com/bid/25898
External Source: BUGTRAQ
Name: 20071003 rPSA-2007-0205-1 xorg-x11 xorg-x11-fonts xorg-x11-tools xorg-x11-xfs
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/481432/100/0/threaded
External Source: REDHAT
Name: RHSA-2008:0030
Hyperlink:http://www.redhat.com/support/errata/RHSA-2008-0030.html
External Source: REDHAT
Name: RHSA-2008:0029
Hyperlink:http://www.redhat.com/support/errata/RHSA-2008-0029.html
External Source: SUSE
Name: SUSE-SA:2007:054
Hyperlink:http://www.novell.com/linux/security/advisories/2007_54_xorg.html
External Source: MANDRIVA
Name: MDKSA-2007:210
Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:210
External Source: VUPEN
Name: ADV-2008-0924
Hyperlink:http://www.frsirt.com/english/advisories/2008/0924/references
External Source: VUPEN
Name: ADV-2008-0495
Hyperlink:http://www.frsirt.com/english/advisories/2008/0495/references
External Source: VUPEN
Name: ADV-2007-3467
Hyperlink:http://www.frsirt.com/english/advisories/2007/3467
External Source: VUPEN
Name: ADV-2007-3338
Hyperlink:http://www.frsirt.com/english/advisories/2007/3338
External Source: VUPEN
Name: ADV-2007-3337
Hyperlink:http://www.frsirt.com/english/advisories/2007/3337
External Source: DEBIAN
Name: DSA-1385
Hyperlink:http://www.debian.org/security/2007/dsa-1385
External Source: SUNALERT
Name: 200642
Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-66-200642-1
External Source: SUNALERT
Name: 103114
Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-26-103114-1
External Source: GENTOO
Name: GLSA-200710-11
Hyperlink:http://security.gentoo.org/glsa/glsa-200710-11.xml
External Source: SECUNIA
Name: 29420
Hyperlink:http://secunia.com/advisories/29420
External Source: SECUNIA
Name: 28891
Hyperlink:http://secunia.com/advisories/28891
External Source: SECUNIA
Name: 28542
Hyperlink:http://secunia.com/advisories/28542
External Source: SECUNIA
Name: 28536
Hyperlink:http://secunia.com/advisories/28536
External Source: SECUNIA
Name: 28004
Hyperlink:http://secunia.com/advisories/28004
External Source: SECUNIA
Name: 27560
Hyperlink:http://secunia.com/advisories/27560
External Source: SECUNIA
Name: 27240
Hyperlink:http://secunia.com/advisories/27240
External Source: SECUNIA
Name: 27228
Hyperlink:http://secunia.com/advisories/27228
External Source: SECUNIA
Name: 27176
Hyperlink:http://secunia.com/advisories/27176
External Source: SECUNIA
Name: 27168
Hyperlink:http://secunia.com/advisories/27168
External Source: SECUNIA
Name: 27060
Hyperlink:http://secunia.com/advisories/27060
External Source: SECUNIA
Name: 27052
Hyperlink:http://secunia.com/advisories/27052
External Source: SECUNIA
Name: 27040
Hyperlink:http://secunia.com/advisories/27040
External Source: APPLE
Name: APPLE-SA-2008-03-18
Hyperlink:http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
External Source: APPLE
Name: APPLE-SA-2008-02-11
Hyperlink:http://lists.apple.com/archives/security-announce/2008/Feb/msg00002.html
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307562
Hyperlink:http://docs.info.apple.com/article.html?artnum=307562
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307430
Hyperlink:http://docs.info.apple.com/article.html?artnum=307430
External Source: CONFIRM
Name: http://bugs.gentoo.org/show_bug.cgi?id=194606
Hyperlink:http://bugs.gentoo.org/show_bug.cgi?id=194606
External Source: CONFIRM
Name: http://bugs.freedesktop.org/show_bug.cgi?id=12298
Hyperlink:http://bugs.freedesktop.org/show_bug.cgi?id=12298

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:x.org:x_font_server:1.0.1
spacerspacerNav control image* cpe:/a:x.org:x_font_server:1.0.2
spacerspacerNav control image* cpe:/a:x.org:x_font_server:1.0.4
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4568