PT-2021-6807 · Libvips+3 · Libvips+3

Lqiulin · Published 2020-10-08 · Updated 2023-10-18 · CVE-2021-27847

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Libvips version 8.10.5

Description The issue is related to a Division-By-Zero vulnerability in the functions vips eye point and vips mask point of the Libvips library. This vulnerability is caused by the lack of a check for division by zero. An attacker can exploit this vulnerability to cause a denial of service.

Recommendations For Libvips version 8.10.5, consider disabling the vips eye point and vips mask point functions as a temporary workaround until a patch is available. Restrict access to the affected components eye.c and mask.c to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

ALT-PU-2020-2977

BDU:2022-02230

CVE-2021-27847

USN-6437-1

Affected Products

Alt Linux

Libvips

Linuxmint

Ubuntu

References · 18

• 🔥 https://github.com/libvips/libvips/issues/1236 · Exploit
• https://osv.dev/vulnerability/CVE-2021-27847 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-7998 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-27847 · Security Note
• https://bdu.fstec.ru/vul/2022-02230 · Security Note
• https://ubuntu.com/security/CVE-2019-6976 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6437-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-27847 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-40032 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-27847 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-27847 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27847 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-27847 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6437-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-20739 · Vendor Advisory