openEuler update for libexif



Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-13112
CVE-2020-0093
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

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

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

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

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

libexif
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU28183

Risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-13112

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 or perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in EXIF MakerNote handling. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system or cause a denial of service condition.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP2

libexif-help: before 0.6.21-23

libexif-devel: before 0.6.21-23

libexif-debuginfo: before 0.6.21-23

libexif-debugsource: before 0.6.21-23

libexif: before 0.6.21-23

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1352


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: #VU28271

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-0093

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

Exploit availability: No

Description

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

The vulnerability exists due to a missing bounds check in "exif_data_save_data_entry" of "exif-data.c" file within the Media framework functionality. A local user can trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 20.03 LTS SP2

libexif-help: before 0.6.21-23

libexif-devel: before 0.6.21-23

libexif-debuginfo: before 0.6.21-23

libexif-debugsource: before 0.6.21-23

libexif: before 0.6.21-23

CPE2.3 External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1352


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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