7761 : wv Library Document DateTime Field Overflow
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Timeline

Disclosure Date
2004-07-09

Time to Patch	Time to Vendor Response
10 days	7 days

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2004-0645" target="_blank">CVE</a>)</em> : Buffer overflow in the wvHandleDateTimePicture function in wv library (wvWare) 0.7.4 through 0.7.6 and 1.0.0 allows remote attackers to execute arbitrary code via a document with a long DateTime field.

Classification

Location: Remote / Network Access, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Workaround, Patch / RCS
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure

Solution

Dom Lachowicz has released a patch to address this vulnerability. Additionally, it is possible to temporarily work around the flaw by implementing the following workaround: Only open documents from trusted sources, and disable HTML view when opening MS Word documents with applications utilizing the wv library.

Products

Unknown or Incomplete

References

Secunia Advisory ID: 12040 12066 12136 12146 12182 12592 13060 13344
ISS X-Force ID: 16660
CVE ID: 2004-0645 (see also: NVD)
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2004-07/0441.html
Vendor Specific News/Changelog Entry: http://cpan.cybercomm.nl/pub/gentoo-portage/app-text/wv/files/wv-1.0.0-fix_overflow.patch
http://www.freebsd.org/ports/portaudit/7a5430df-d562-11d8-b479-02e0185c0b53.html
Other Advisory URL: http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000863
http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000902
http://security.gentoo.org/glsa/glsa-200407-11.xml
http://www.abisource.com/changelogs/2.0.8.phtml
http://www.debian.org/security/2004/dsa-550
http://www.debian.org/security/2004/dsa-579
http://www.idefense.com/application/poi/display?id=115&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=115&type=vulnerabilities
http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:077
https://bugzilla.fedora.us/show_bug.cgi?id=1906
Vendor Specific Solution URL: http://security.gentoo.org/glsa/glsa-200407-11.xml
Vendor Specific Advisory URL: http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:077

Tools & Filters

	14175 15387 15677

Credit

Karol Wiesek - iDefense Labs VCP

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

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