Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2003-0356

9.8 · CRITICAL

Multiple off-by-one vulnerabilities in Ethereal 0.9.11 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary code via the (1) AIM, (2) GIOP Gryphon, (3) OSP…

Published Jun 9, 2003etherealCWE-193EPSS 9.57%

Overview

CVE-2003-0356 is a critical-severity vulnerability affecting ethereal ethereal. It was published on June 9, 2003 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple off-by-one vulnerabilities in Ethereal 0.9.11 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary code via the (1) AIM, (2) GIOP Gryphon, (3) OSPF, (4) PPTP, (5) Quake, (6) Quake2, (7) Quake3, (8) Rsync, (9) SMB, (10) SMPP, and (11) TSP dissectors, which do not properly use the tvb_get_nstringz and tvb_get_nstringz0 functions.

Remediation

Check the references section for vendor advisories and patches from ethereal. Update ethereal 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
etherealethereal>= 0, < 0.9.12Affected

References

Refwww.debian.org/security/2003/dsa-313Refwww.ethereal.com/appnotes/enpa-sa-00009.htmlRefwww.kb.cert.org/vuls/id/641013Refwww.mandriva.com/security/advisories?name=MDKSA-2003:067Refwww.redhat.com/support/errata/RHSA-2003-077.htmlRefoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A69Refwww.debian.org/security/2003/dsa-313Refwww.ethereal.com/appnotes/enpa-sa-00009.htmlRefwww.kb.cert.org/vuls/id/641013Refwww.mandriva.com/security/advisories?name=MDKSA-2003:067

How CyberStrike helps

Frequently asked questions

What is CVE-2003-0356?

CVE-2003-0356 is a critical-severity vulnerability affecting ethereal ethereal. It was published on June 9, 2003 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2003-0356?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2003-0356?

Check the references section for vendor advisories and patches from ethereal. Update ethereal 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-2003-0356?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2003-0356 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.

Related CRITICAL CVEs from 2003

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999