Ubuntu update for 7zip



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-52168
CVE-2023-52169
CWE-ID CWE-122
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

7zip-standalone (Ubuntu package)
Operating systems & Components / Operating system package or component

7zip (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU93730

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-52168

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the NtfsHandler.cpp NTFS handler when processing archives. A remote attacker can trick the victim to open a specially crafted archive, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package 7zip to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 24.04

7zip-standalone (Ubuntu package): before Ubuntu Pro

7zip (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7438-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds read

EUVDB-ID: #VU93731

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-52169

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the NtfsHandler.cpp NTFS handler. A remote attacker can create a specially crafted archive, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Update the affected package 7zip to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 24.04

7zip-standalone (Ubuntu package): before Ubuntu Pro

7zip (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-7438-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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