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CVE-2019-19906

Vulnerability in N/a

CVSS score

7.5

EPSS probability

%8.0

Risk score

0.6

Published

6 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2019-19906 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2019-19906 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1n/an/a View
2cyrusimapcyrus-sasl View
3debiandebian linux View
4debiandebian linux View
5debiandebian linux View
6canonicalubuntu linux View
7canonicalubuntu linux View
8canonicalubuntu linux View
9canonicalubuntu linux View
10canonicalubuntu linux View
11fedoraprojectfedora View
12fedoraprojectfedora View
13redhatjboss enterprise web server View
14applemac os x View
15redhatenterprise linux View
16redhatenterprise linux View
17redhatenterprise linux View
18redhatenterprise linux View
19redhatenterprise linux eus View
20redhatenterprise linux for ibm z systems View
21redhatenterprise linux for ibm z systems eus View
22redhatenterprise linux for power little endian View
23redhatenterprise linux for power little endian eus View
24redhatenterprise linux server aus View
25redhatenterprise linux server for power little endian update services for sap solutions View
26redhatenterprise linux server tus View
27redhatenterprise linux server update services for sap solutions View
28appleipados View
29appleiphone os View
30applemac os x View
31applemac os x View
32applemac os x View
33applemac os x View
34apachebookkeeper View
35centoscentos View
Total affected vendors: 9|Products: 35

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
7.5CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD
5.0CVSS V2—AV:N/AC:L/Au:N/C:N/I:N/A:PNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

3 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-19906 is associated with the following CWEs:

CWE-193: Common Weakness Enumeration Entry CWE-193CWE-787: Out-of-bounds Write

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-19906 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

https://github.com/cyrusimap/cyrus-sasl/issues/587vendor-advisoryhttps://www.openldap.org/its/index.cgi/Incoming?id=9123vendor-advisory[debian-lts-announce] 20191220 [SECURITY] [DLA 2044-1] cyrus-sasl2 security updatevendor-advisoryDSA-4591vendor-advisory20191225 [SECURITY] [DSA 4591-1] cyrus-sasl2 security updatevendor-advisoryUSN-4256-1vendor-advisoryFEDORA-2020-51d591d035vendor-advisoryFEDORA-2020-bf829f9a84vendor-advisoryhttps://support.apple.com/kb/HT211288vendor-advisoryhttps://support.apple.com/kb/HT211289vendor-advisory

CVSS Vector Radar Chart

7.5 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama doğrulandı

3 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

N
n/a logo
n/a
C
cyrusimap logo
cyrusimap
D
debian logo
debian
C
canonical logo
canonical
F
fedoraproject logo
fedoraproject
R
redhat logo
redhat

Weakness Type (CWE & CAPEC)

CWE-193 CWE-787

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