openEuler update for vim



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-3778
CVE-2021-3796
CWE-ID CWE-122
CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

vim-filesystem
Operating systems & Components / Operating system package or component

vim-minimal
Operating systems & Components / Operating system package or component

vim-common
Operating systems & Components / Operating system package or component

vim-X11
Operating systems & Components / Operating system package or component

vim-enhanced
Operating systems & Components / Operating system package or component

vim-debuginfo
Operating systems & Components / Operating system package or component

vim-debugsource
Operating systems & Components / Operating system package or component

vim
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU63063

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-2021-3778

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. A remote attacker can trick the victim to open a specially crafted file, 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

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP2

vim-filesystem: before 8.2-3

vim-minimal: before 8.2-3

vim-common: before 8.2-3

vim-X11: before 8.2-3

vim-enhanced: before 8.2-3

vim-debuginfo: before 8.2-3

vim-debugsource: before 8.2-3

vim: before 8.2-3

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1356


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) Use-after-free

EUVDB-ID: #VU63065

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-2021-3796

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP2

vim-filesystem: before 8.2-3

vim-minimal: before 8.2-3

vim-common: before 8.2-3

vim-X11: before 8.2-3

vim-enhanced: before 8.2-3

vim-debuginfo: before 8.2-3

vim-debugsource: before 8.2-3

vim: before 8.2-3

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1356


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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