Vulnerability Monitor

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CVE-2018-5996

Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

Published

2018-01-31T18:29:00.363

Last Modified

2025-01-10T19:15:28.730

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	7-zip	7-zip	< 18.00	Yes
Application	7-zip	p7zip	< 18.0	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://www.securitytracker.com/id/1040831 ([email protected])
https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html ([email protected])
https://github.com/p7zip-project/p7zip/issues/32 ([email protected])
https://github.com/p7zip-project/p7zip/issues/8 ([email protected])
https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/ Exploit, Technical Description, Third Party Advisory ([email protected])
http://www.securitytracker.com/id/1040831 (af854a3a-2127-422b-91ae-364da2661108)
https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html (af854a3a-2127-422b-91ae-364da2661108)
https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/ Exploit, Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)