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CVE-2015-1789

The X509_cmp_time function in crypto/x509/x509_vfy.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted length field in ASN1_TIME data, as demonstrated by an attack against a server that supports client authentication with a custom verification callback.

Published:Jun 11, 2015

Last Modified:Apr 12, 2025

EPS:Jun 12, 2015

EPSS Score:0.04531

CVSS Score:7.5

Affected Products

Vendor

Product

Action

Vendor

Openssl

Product

Openssl

Openssl

Openssl

Vendor

Oracle

Product

Sparc-opl Service Processor

Oracle

Sparc-opl Service Processor

Vendor

Redhat

Product

Enterprise Linux

Redhat

Enterprise Linux

Exploits

No exploit reference

Common Weakness Enumeration

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-125 Out-of-bounds Read

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-10 Buffer Overflow via Environment Variables

CAPEC-100 Overflow Buffers

CAPEC-123 Buffer Manipulation

CAPEC-14 Client-side Injection-induced Buffer Overflow

CAPEC-24 Filter Failure through Buffer Overflow

CAPEC-42 MIME Conversion

CAPEC-44 Overflow Binary Resource File

CAPEC-45 Buffer Overflow via Symbolic Links

CAPEC-46 Overflow Variables and Tags

CAPEC-47 Buffer Overflow via Parameter Expansion

CAPEC-540 Overread Buffers

CAPEC-8 Buffer Overflow in an API Call

CAPEC-9 Buffer Overflow in Local Command-Line Utilities

Related CVEs

CVE-2026-75803 (CVSS 9.1) — Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can report success without ve…

CVE-2026-63075 (CVSS 7.5) — Issue summary: When OpenSSL processes QUIC traffic from a peer that repeatedly sends ack-eliciting packets whi…

CVE-2026-63072 (CVSS 7.5) — Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based on querying the unwrapped key s…

CVE-2026-54874 (CVSS 7.5) — Issue summary: Receiving a DTLS record for a future epoch while a handshake is in progress causes OpenSSL to b…

CVE-2026-14457 (CVSS 7.5) — Issue summary: In a server or client configuration with RFC7250 Raw Public Keys (RPKs) enabled, and only the p…

CVE-2026-63076 (CVSS 7.5) — Issue summary: OpenSSL CMP password based protection verification only checks whether the protectionAlg parame…

CVE-2026-63074 (CVSS 5.9) — Issue summary: The OpenSSL Certificate Management Protocol (CMP) caches additional certificates (extraCerts) s…

CVE-2026-63073 (CVSS 9.8) — Issue summary: OpenSSL CMP response validation passed an unexpected response sender distinguished name directl…

CVE-2026-18798 (CVSS 7.5) — Issue summary: QUIC server may double free QRX (QUIC record layer RX) object when channel creation fails for i…

CVE-2026-14456 (CVSS 7.5) — Issue summary: When an OpenSSL QUIC server (Listener SSL object) processes valid QUIC Initial packets for unkn…

References

http://fortiguard.com/advisory/openssl-vulnerabilities-june-2015

http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2015-008.txt.asc

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10694

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10733

http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160436.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160647.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00023.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00024.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00026.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00004.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00006.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00037.html

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html

http://marc.info/?l=bugtraq&m=143654156615516&w=2

http://marc.info/?l=bugtraq&m=143880121627664&w=2

http://marc.info/?l=bugtraq&m=144050155601375&w=2

http://rhn.redhat.com/errata/RHSA-2015-1115.html

http://rhn.redhat.com/errata/RHSA-2015-1197.html

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150612-openssl

http://www.debian.org/security/2015/dsa-3287

http://www.fortiguard.com/advisory/2015-06-11-fortinet-vulnerability-openssl-vulnerabilities-june-2015

http://www.fortiguard.com/advisory/openssl-vulnerabilities-june-2015

http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html

http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html

http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html

http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html

http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html

http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html

http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html

http://www.securityfocus.com/bid/75156

http://www.securityfocus.com/bid/91787

http://www.securitytracker.com/id/1032564

http://www.ubuntu.com/usn/USN-2639-1

https://bto.bluecoat.com/security-advisory/sa98

https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

https://github.com/openssl/openssl/commit/f48b83b4fb7d6689584cf25f61ca63a4891f5b11

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05045763

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131044

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157667

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05184351

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05353965

https://kc.mcafee.com/corporate/index?page=content&id=SB10122

https://openssl.org/news/secadv/20150611.txt

https://security.gentoo.org/glsa/201506-02

https://support.apple.com/kb/HT205031

https://support.citrix.com/article/CTX216642

https://www.arista.com/en/support/advisories-notices/security-advisories/1144-security-advisory-11

https://www.openssl.org/news/secadv_20150611.txt

http://fortiguard.com/advisory/openssl-vulnerabilities-june-2015

http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2015-008.txt.asc

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10694

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10733

http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160436.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160647.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00023.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00024.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00026.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00004.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00006.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00037.html

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html

http://marc.info/?l=bugtraq&m=143654156615516&w=2

http://marc.info/?l=bugtraq&m=143880121627664&w=2

http://marc.info/?l=bugtraq&m=144050155601375&w=2

http://rhn.redhat.com/errata/RHSA-2015-1115.html

http://rhn.redhat.com/errata/RHSA-2015-1197.html

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150612-openssl

http://www.debian.org/security/2015/dsa-3287

http://www.fortiguard.com/advisory/2015-06-11-fortinet-vulnerability-openssl-vulnerabilities-june-2015

http://www.fortiguard.com/advisory/openssl-vulnerabilities-june-2015

http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html

http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html

http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html

http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html

http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html

http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html

http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html

http://www.securityfocus.com/bid/75156

http://www.securityfocus.com/bid/91787

http://www.securitytracker.com/id/1032564

http://www.ubuntu.com/usn/USN-2639-1

https://bto.bluecoat.com/security-advisory/sa98

https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

https://github.com/openssl/openssl/commit/f48b83b4fb7d6689584cf25f61ca63a4891f5b11

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05045763

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131044

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157667

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05184351

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05353965

https://kc.mcafee.com/corporate/index?page=content&id=SB10122

https://openssl.org/news/secadv/20150611.txt

https://security.gentoo.org/glsa/201506-02

https://support.apple.com/kb/HT205031

https://support.citrix.com/article/CTX216642

https://www.arista.com/en/support/advisories-notices/security-advisories/1144-security-advisory-11

https://www.openssl.org/news/secadv_20150611.txt

Common Vulnerability Scoring System

Attack Vector

Network

Adjacent

Local

Physical

Privileges Required

None

Low

High

User Interaction

None

Required

Scope

Unchanged

Changed

Confidentiality

None

Low

High

Integrity

None

Low

High

Availability

None

Low

High