Vulnerability Name:

CVE-2020-28241 (CCN-191345)

Assigned:2020-08-04
Published:2020-08-04
Updated:2022-01-06
Summary:libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C)
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): None
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-28241

Source: XF
Type: UNKNOWN
libmaxminddb-cve202028241-bo(191345)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/maxmind/libmaxminddb/compare/1.4.2...1.4.3

Source: CCN
Type: libmaxminddb GIT Repository
A heap-buffer-overflow in maxminddb.c:2019:13 #236

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://github.com/maxmind/libmaxminddb/issues/236

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/maxmind/libmaxminddb/pull/237

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20201110 [SECURITY] [DLA 2445-1] libmaxminddb security update

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-8a8f8b244f

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-1fb1785fa1

Source: GENTOO
Type: Third Party Advisory
GLSA-202011-15

Vulnerable Configuration:Configuration 1:
  • cpe:/a:maxmind:libmaxminddb:*:*:*:*:*:*:*:* (Version < 1.4.3)

  • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:maxmind:libmaxminddb:1.4.2:*:*:*:*:*:*:*
  • OR cpe:/a:maxmind:libmaxminddb:1.4.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    maxmind libmaxminddb *
    debian debian linux 9.0
    fedoraproject fedora 32
    fedoraproject fedora 33
    maxmind libmaxminddb 1.4.2
    maxmind libmaxminddb 1.4.1