Input validation error in Wireshark - CVE-2015-7830
Published: November 15, 2015 / Updated: July 28, 2020
Vulnerability identifier: #VU32364
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-7830
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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.
Affected software
Wireshark
wireshark (Alpine package)
wireshark (Alpine package)
How to mitigate CVE-2015-7830
Install update from vendor's website.
Wireshark - update to 1.12.8
wireshark (Alpine package) - update to 1.12.8-r0
wireshark (Alpine package) - update to 1.12.8-r0
External References
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00053.html
- http://www.debian.org/security/2016/dsa-3505
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.securityfocus.com/bid/77101
- http://www.securityfocus.com/bid/78723
- http://www.securitytracker.com/id/1033953
- http://www.wireshark.org/security/wnpa-sec-2015-30.html
- http://www.zerodayinitiative.com/advisories/ZDI-15-624
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11455
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=72497918b16b706c3ba75e1f731f58b802ca14d1