Vulnerability Details CVE-2015-6242
The wmem_block_split_free_chunk function in epan/wmem/wmem_allocator_block.c in the wmem block allocator in the memory manager in Wireshark 1.12.x before 1.12.7 does not properly consider a certain case of multiple realloc operations that restore a memory chunk to its original size, which allows remote attackers to cause a denial of service (incorrect free operation and application crash) via a crafted packet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 67.6%
CVSS Severity
CVSS v2 Score 4.3
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168837.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165509.html
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00053.html
- http://www.debian.org/security/2015/dsa-3367
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.securitytracker.com/id/1033272
- http://www.wireshark.org/security/wnpa-sec-2015-22.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11373
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=eaf1aad31e7c0a4908c20a42ae118c4dc8d474b6
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168837.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165509.html
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00053.html
- http://www.debian.org/security/2015/dsa-3367
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.securitytracker.com/id/1033272
- http://www.wireshark.org/security/wnpa-sec-2015-22.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11373
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=eaf1aad31e7c0a4908c20a42ae118c4dc8d474b6
Products affected by CVE-2015-6242
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cpe:2.3:a:wireshark:wireshark:1.12.0
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cpe:2.3:a:wireshark:wireshark:1.12.1
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cpe:2.3:a:wireshark:wireshark:1.12.2
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cpe:2.3:a:wireshark:wireshark:1.12.3
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cpe:2.3:a:wireshark:wireshark:1.12.4
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cpe:2.3:a:wireshark:wireshark:1.12.5
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cpe:2.3:a:wireshark:wireshark:1.12.6
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cpe:2.3:o:oracle:solaris:11.3