openEuler update for binutils



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-0551
CVE-2020-16592
CWE-ID CWE-200
CWE-416
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 openEuler
Operating systems & Components / Operating system

binutils-devel
Operating systems & Components / Operating system package or component

binutils-help
Operating systems & Components / Operating system package or component

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

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

binutils
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU25898

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2020-0551

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to load value injection in some Intel(R) Processors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS

binutils-devel: before 2.34-9

binutils-help: before 2.34-9

binutils-debugsource: before 2.34-9

binutils-debuginfo: before 2.34-9

binutils: before 2.34-9

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1098


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Use-after-free

EUVDB-ID: #VU79345

Risk: Low

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

CVE-ID: CVE-2020-16592

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local attacker to perform a denial of service attack.

The vulnerability exists in bfd_hash_lookup. A local attacker can trick the victim into opening a specially crafted data, trigger use-after-free and perform a denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS

binutils-devel: before 2.34-9

binutils-help: before 2.34-9

binutils-debugsource: before 2.34-9

binutils-debuginfo: before 2.34-9

binutils: before 2.34-9

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1098


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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