PT-2021-7860 · Ezxml+3 · Ezxml+3

Cve Reporting · Published 2021-01-24 · Updated 2021-12-23 · CVE-2021-26221

Positive Technologies (AI Summary)

CVSS v2.0

9.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions ezXML versions 0.8.6 and earlier

Description The issue is related to the ezxml new function in the ezXML library, which is vulnerable to an out-of-bounds (OOB) write when opening an XML file after exhausting the memory pool. This can allow a remote attacker to compromise data integrity and cause a denial of service.

Recommendations For ezXML versions 0.8.6 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2023-03826

CVE-2021-26221

MGASA-2021-0580

OPENSUSE-SU-2021:1505-1

OPENSUSE-SU-2021:3804-1

OPENSUSE-SU-2021:3805-1

OPENSUSE-SU-2021:3815-1

OPENSUSE-SU-2021:3873-1

OPENSUSE-SU-2021_1505-1

OPENSUSE-SU-2021_3804-1

OPENSUSE-SU-2021_3805-1

OPENSUSE-SU-2021_3815-1

OPENSUSE-SU-2021_3873-1

SUSE-SU-2021:3804-1

SUSE-SU-2021:3805-1

SUSE-SU-2021:3815-1

SUSE-SU-2021:3873-1

Affected Products

Astra Linux

Debian

Suse

Ezxml

References · 54

• 🔥 https://sourceforge.net/p/ezxml/bugs/21 · Exploit
• https://osv.dev/vulnerability/CVE-2021-26221 · Vendor Advisory
• https://debian.org/lts/security/2021/dla-2705 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-26221 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2023-0907SE47 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26221 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:3815-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-26221 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2023-0630SE17MD · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:3804-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-26221 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:3805-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:1505-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-03826 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:3804-1 · Vendor Advisory