CVE-2015-7540

Home/CVE/The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful

CVE

The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful

The LDAP server in the AD domain controller in Samba 4.x before 4.1.22 does not check return values to ensure successful ASN.1 memory allocation, which allows remote attackers to cause a denial of service (memory consumption and daemon crash) via crafted packets.

HIGH · CVSS 7.5 EPSS 0.39597

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 3% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Affected Products & Versions

samba>= 4.0.0 and < 4.1.22
canonical ubuntu linuxall versions
debian linuxall versions

▣

Scoring & Timeline

7.5

HIGH · CVSS v3.1 · secalert@redhat.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD29 Dec 2015 · 10:59 PM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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Vendor Advisories

usnUSN-2855-1
rhsaRHSA-2016:0010Moderate
rhsaRHSA-2016:0015Moderate
rhsaRHBA-2015:2258Moderate
rhsaRHSA-2016:0006Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.htmlThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.htmlMailing ListThird Party Advisory

http://www.debian.org/security/2016/dsa-3433Third Party Advisory

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlThird Party Advisory

http://www.securityfocus.com/bid/79736Third Party AdvisoryVDB Entry

Show all 14 references

http://www.securitytracker.com/id/1034492Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-2855-1Third Party Advisory

http://www.ubuntu.com/usn/USN-2855-2Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1288451Issue TrackingThird Party Advisory

https://git.samba.org/?p=samba.git

https://security.gentoo.org/glsa/201612-47Third Party Advisory

https://www.samba.org/samba/security/CVE-2015-7540.htmlVendor Advisory

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