7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.005 Low
EPSS
Percentile
75.0%
Debian Security Advisory DSA-4884-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
April 02, 2021 https://www.debian.org/security/faq
Package : ldb
CVE ID : CVE-2020-10730 CVE-2020-27840 CVE-2021-20277
Debian Bug : 985935 985936
Multiple vulnerabilities have been discovered in ldb, a LDAP-like
embedded database built on top of TDB.
CVE-2020-10730
Andrew Bartlett discovered a NULL pointer dereference and
use-after-free flaw when handling 'ASQ' and 'VLV' LDAP controls and
combinations with the LDAP paged_results feature.
CVE-2020-27840
Douglas Bagnall discovered a heap corruption flaw via crafted
DN strings.
CVE-2021-20277
Douglas Bagnall discovered an out-of-bounds read vulnerability in
handling LDAP attributes that contains multiple consecutive
leading spaces.
For the stable distribution (buster), these problems have been fixed in
version 2:1.5.1+really1.4.6-3+deb10u1.
We recommend that you upgrade your ldb packages.
For the detailed security status of ldb please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/ldb
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.005 Low
EPSS
Percentile
75.0%