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CVE-2015-3809

7.8 · HIGH

The dissect_lbmr_pser function in epan/dissectors/packet-lbmr.c in the LBMR dissector in Wireshark 1.12.x before 1.12.5 does not properly track the current offset, which allows remote attackers to…

Published May 26, 2015wiresharkCWE-189EPSS 2.87%

Overview

CVE-2015-3809 is a high-severity vulnerability affecting wireshark wireshark. It was published on May 26, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The dissect_lbmr_pser function in epan/dissectors/packet-lbmr.c in the LBMR dissector in Wireshark 1.12.x before 1.12.5 does not properly track the current offset, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.

Remediation

Check the references section for vendor advisories and patches from wireshark. Update wireshark to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.debian.org/security/2015/dsa-3277Refwww.securityfocus.com/bid/74632Refwww.wireshark.org/security/wnpa-sec-2015-12.htmlRefbugs.wireshark.org/bugzilla/show_bug.cgi?id=11036Refcode.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=c19860dba8d158c42865c3d9051b6f318cb41169Refsecurity.gentoo.org/glsa/201510-03Refwww.debian.org/security/2015/dsa-3277Refwww.securityfocus.com/bid/74632Refwww.wireshark.org/security/wnpa-sec-2015-12.htmlRefbugs.wireshark.org/bugzilla/show_bug.cgi?id=11036

How CyberStrike helps

Frequently asked questions

What is CVE-2015-3809?

CVE-2015-3809 is a high-severity vulnerability affecting wireshark wireshark. It was published on May 26, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2015-3809?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-3809?

Check the references section for vendor advisories and patches from wireshark. Update wireshark to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-3809?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-3809 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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