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[ GLSA 200708-12 ] Wireshark: Multiple vulnerabilities
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PostPosted: Thu Aug 16, 2007 9:26 pm    Post subject: [ GLSA 200708-12 ] Wireshark: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: Wireshark: Multiple vulnerabilities (GLSA 200708-12)
Severity: normal
Exploitable: remote
Date: August 16, 2007
Bug(s): #183520
ID: 200708-12

Synopsis

Multiple vulnerabilities have been discovered in Wireshark, allowing for the remote execution of arbitrary code and a Denial of Service.

Background

Wireshark is a network protocol analyzer with a graphical front-end.

Affected Packages

Package: net-analyzer/wireshark
Vulnerable: < 0.99.6
Unaffected: >= 0.99.6
Architectures: All supported architectures


Description

Wireshark doesn't properly handle chunked encoding in HTTP responses (CVE-2007-3389), iSeries capture files (CVE-2007-3390), certain types of DCP ETSI packets (CVE-2007-3391), and SSL or MMS packets (CVE-2007-3392). An off-by-one error has been discovered in the DHCP/BOOTP dissector when handling DHCP-over-DOCSIS packets (CVE-2007-3393).

Impact

A remote attacker could send specially crafted packets on a network being monitored with Wireshark, possibly resulting in the execution of arbitrary code with the privileges of the user running Wireshark which might be the root user, or a Denial of Service.

Workaround

In order to prevent root compromise, take network captures with tcpdump and analyze them running Wireshark as a least privileged user.

Resolution

All Wireshark users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-analyzer/wireshark-0.99.6"


References

CVE-2007-3389
CVE-2007-3390
CVE-2007-3391
CVE-2007-3392
CVE-2007-3393
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