Multiple vulnerabilities in libheif



Published: 2021-07-30 | Updated: 2023-04-05
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-19498
CVE-2020-19499
CWE-ID CWE-20
CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		libheif
Other software / Other software solutions

Vendor struktur AG

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU74495

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-19498

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in libheif/box.cc. A remote attacker can pass specially crafted image to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libheif: 1.0.0 - 1.4.1

CPE2.3 External links

http://github.com/strukturag/libheif/commit/2710c930918609caaf0a664e9c7bc3dce05d5b58
http://github.com/strukturag/libheif/issues/139


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: #VU74496

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-19499

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 heif::Box_iref::get_references() function. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libheif: 1.0.0 - 1.4.1

CPE2.3 External links

http://github.com/strukturag/libheif/commit/f7399b62d7fbc596f1b2871578c1d2053bedf1dd
http://github.com/strukturag/libheif/issues/138


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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