Vulnerability Name:

CVE-2021-26220 (CCN-196988)

Assigned:2021-01-24
Published:2021-01-24
Updated:2021-02-10
Summary:The ezxml_toxml function in ezxml 0.8.6 and earlier is vulnerable to OOB write when opening XML file after exhausting the memory pool.
CVSS v3 Severity:8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H)
7.4 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-26220

Source: XF
Type: UNKNOWN
ezxml-cve202126220-dos(196988)

Source: CCN
Type: SourceForge ezXML Project
#23 Out-of-bounds write caused by incorrect error handling of malloc in ezxml_new (ezxml.c:750)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:ezxml_project:ezxml:0.8.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7498
    P
    		fribidi-1.0.10-150400.3.3.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:6330
    P
    		Security update for pidgin (Important)
    2022-05-16
    oval:org.opensuse.security:def:6332
    P
    		Security update for podofo (Moderate)
    2022-05-16
    oval:org.opensuse.security:def:102262
    P
    		Security update for salt (Important)
    2022-03-30
    oval:org.opensuse.security:def:102159
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:99172
    P
    		 (Moderate)
    2021-12-13
    oval:org.opensuse.security:def:1497
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:111811
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:68587
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:6248
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:101864
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:67337
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:102077
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:76405
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:1202
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:67421
    P
    		Security update for netcdf (Important)
    2021-12-02
    oval:org.opensuse.security:def:9061
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:6241
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:67330
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:5900
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:66989
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:108827
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:95448
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:76398
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:105667
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:92027
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:76057
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:8866
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:102161
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:105862
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:92222
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:98977
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:111800
    P
    		Security update for netcdf (Important)
    2021-11-30
    oval:org.opensuse.security:def:111142
    P
    		Security update for netcdf (Important)
    2021-11-26
    oval:org.opensuse.security:def:108825
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:95446
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:76396
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:76055
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:111797
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:8675
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:117852
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:6238
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:67327
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:108928
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:95549
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:111798
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:67419
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:6239
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:67328
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:76395
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:5898
    P
    		Security update for netcdf (Important)
    2021-11-25
    oval:org.opensuse.security:def:66987
    P
    		Security update for netcdf (Important)
    2021-11-25
    BACK
    ezxml_project ezxml 0.8.6