openEuler update for icu

1) Use-after-free

EUVDB-ID: #VU58432

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-21913

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the pkg_createWithAssemblyCode() function in the file tools/pkgdata/pkgdata.cpp. A remote attacker can trick the victim to open a specially crafted file and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP2

icu-help: before 62.1-6

libicu-devel: before 62.1-6

icu-debugsource: before 62.1-6

icu-debuginfo: before 62.1-6

libicu: before 62.1-6

icu: before 62.1-6

CPE2.3

• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP1:*:*:*:*:*:*
• cpe:2.3:o:openeuler:openeuler:20.03:LTS SP2:*:*:*:*:*:*
• cpe:2.3:a:openeuler:icu-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libicu-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:icu-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:icu-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:libicu:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:icu:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1406

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.