CVE-2016-2335
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (9.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 9.79% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- opensuse/opensuse · debian/debian linux · 7-zip/7-zip
- Source
- cret@cert.org
References
- http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.htmlExploit, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00004.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00098.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-07/msg00069.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3599Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.htmlThird Party Advisory
- http://www.securityfocus.com/bid/90531Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035876Third Party Advisory, VDB Entry
- http://www.talosintel.com/reports/TALOS-2016-0094/Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR/
- https://security.gentoo.org/glsa/201701-27Third Party Advisory
- https://usn.ubuntu.com/3913-1/
- http://blog.talosintel.com/2016/05/multiple-7-zip-vulnerabilities.htmlExploit, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00004.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00098.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-07/msg00069.htmlMailing List, Third Party Advisory
- http://www.debian.org/security/2016/dsa-3599Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.htmlThird Party Advisory
- http://www.securityfocus.com/bid/90531Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035876Third Party Advisory, VDB Entry
- http://www.talosintel.com/reports/TALOS-2016-0094/Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNYIQAU3FKFBNFPK6GKYTSVRHQA7PTYT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DTGWICT3KYYDPDXRNO5SXD32GZICGRIR/
- https://security.gentoo.org/glsa/201701-27Third Party Advisory
- https://usn.ubuntu.com/3913-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.