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archlinuxArchLinuxASA-201806-6
HistoryJun 09, 2018 - 12:00 a.m.

[ASA-201806-6] p7zip: arbitrary code execution

2018-06-0900:00:00
security.archlinux.org
5

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.081 Low

EPSS

Percentile

94.2%

Arch Linux Security Advisory ASA-201806-6

Severity: Critical
Date : 2018-06-09
CVE-ID : CVE-2018-10115
Package : p7zip
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-714

Summary

The package p7zip before version 16.02-5 is vulnerable to arbitrary
code execution.

Resolution

Upgrade to 16.02-5.

pacman -Syu “p7zip>=16.02-5”

The problem has been fixed upstream in version 18.05.

Workaround

None.

Description

An uninitialized memory security issue has been found in the RAR
decoder component of 7-Zip before 18.05, resulting in arbitrary code
execution.

Impact

A remote attacker can execute arbitrary code via a crafted RAR file.

References

https://bugs.archlinux.org/task/58907
https://landave.io/2018/05/7-zip-from-uninitialized-memory-to-remote-code-execution/
https://landave.io/files/patch_7zip_CVE-2018-10115.txt
https://security.archlinux.org/CVE-2018-10115

OSVersionArchitecturePackageVersionFilename
ArchLinuxanyanyp7zip< 16.02-5UNKNOWN

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.081 Low

EPSS

Percentile

94.2%