According to its version number, the instance of Splunk hosted on the remote web server is Enterprise 5.0.x prior to 5.0.14, 6.0.x prior to 6.0.10, 6.1.x prior to 6.1.9, 6.2.x prior to 6.2.5, or Light 6.2.x prior to 6.2.5. It is, therefore, affected by the following vulnerabilities in the bundled OpenSSL library :

  - A denial of service vulnerability exists when processing     an ECParameters structure due to an infinite loop that     occurs when a specified curve is over a malformed binary     polynomial field. A remote attacker can exploit this to     perform a denial of service against any system that     processes public keys, certificate requests, or     certificates. This includes TLS clients and TLS servers     with client authentication enabled. (CVE-2015-1788)

  - A denial of service vulnerability exists due to improper     validation of the content and length of the ASN1_TIME     string by the X509_cmp_time() function. A remote     attacker can exploit this, via a malformed certificate     and CRLs of various sizes, to cause a segmentation     fault, resulting in a denial of service condition. TLS     clients that verify CRLs are affected. TLS clients and     servers with client authentication enabled may be     affected if they use custom verification callbacks.
    (CVE-2015-1789)

  - A NULL pointer dereference flaw exists in the PKCS#7     parsing code due to incorrect handling of missing inner     'EncryptedContent'. This allows a remote attacker, via     specially crafted ASN.1-encoded PKCS#7 blobs with     missing content, to cause a denial of service condition     or other potential unspecified impacts. (CVE-2015-1790)

  - A double-free error exists due to a race condition that     occurs when a NewSessionTicket is received by a     multi-threaded client when attempting to reuse a     previous ticket. (CVE-2015-1791)

  - A denial of service vulnerability exists in the CMS code     due to an infinite loop that occurs when verifying a     signedData message. A remote attacker can exploit this     to cause a denial of service condition. (CVE-2015-1792)

  - A certificate validation bypass vulnerability exists due     to a flaw in the X509_verify_cert() function in file     x509_vfy.c, which occurs when locating alternate     certificate chains whenever the first attempt to build     such a chain fails. A remote attacker can exploit this,     by using a valid leaf certificate as a certificate     authority (CA), to issue invalid certificates that will     bypass authentication. (CVE-2015-1793)

Additionally, a cross-site scripting vulnerability exists in Splunk Enterprise due to improper validation of user-supplied input before returning it to users. An attacker can exploit this, via a crafted request, to execute arbitrary script code.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote host is running a version of Mac OS X 10.10.x that is prior to 10.10.5. It is, therefore, affected by multiple vulnerabilities in the following components :

  - apache
  - apache_mod_php
  - Apple ID OD Plug-in
  - AppleGraphicsControl
  - Bluetooth
  - bootp
  - CloudKit
  - CoreMedia Playback
  - CoreText
  - curl
  - Data Detectors Engine
  - Date & Time pref pane
  - Dictionary Application
  - DiskImages
  - dyld
  - FontParser
  - groff
  - ImageIO
  - Install Framework Legacy
  - IOFireWireFamily
  - IOGraphics
  - IOHIDFamily
  - Kernel
  - Libc
  - Libinfo
  - libpthread
  - libxml2
  - libxpc
  - mail_cmds
  - Notification Center OSX
  - ntfs
  - OpenSSH
  - OpenSSL
  - perl
  - PostgreSQL
  - python
  - QL Office
  - Quartz Composer Framework
  - Quick Look
  - QuickTime 7
  - SceneKit
  - Security
  - SMBClient
  - Speech UI
  - sudo
  - tcpdump
  - Text Formats
  - udf 

Note that successful exploitation of the most serious issues can result in arbitrary code execution.

According to the versions of the openssl098e package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - It was discovered that OpenSSL would accept ephemeral     RSA keys when using non-export RSA cipher suites. A     malicious server could make a TLS/SSL client using     OpenSSL use a weaker key exchange     method.(CVE-2015-0204)

  - A NULL pointer dereference flaw was found in OpenSSL's     X.509 certificate handling implementation. A specially     crafted X.509 certificate could cause an application     using OpenSSL to crash if the application attempted to     convert the certificate to a certificate     request.(CVE-2015-0288)

  - A NULL pointer dereference was found in the way OpenSSL     handled certain PKCS#7 inputs. An attacker able to make     an application using OpenSSL verify, decrypt, or parse     a specially crafted PKCS#7 input could cause that     application to crash. TLS/SSL clients and servers using     OpenSSL were not affected by this flaw.(CVE-2015-0289)

  - An integer underflow flaw, leading to a buffer     overflow, was found in the way OpenSSL decoded     malformed Base64-encoded inputs. An attacker able to     make an application using OpenSSL decode a specially     crafted Base64-encoded input (such as a PEM file) could     use this flaw to cause the application to crash. Note:
    this flaw is not exploitable via the TLS/SSL protocol     because the data being transferred is not     Base64-encoded.(CVE-2015-0292)

  - An out-of-bounds read flaw was found in the     X509_cmp_time() function of OpenSSL, which is used to     test the expiry dates of SSL/TLS certificates. An     attacker could possibly use a specially crafted SSL/TLS     certificate or CRL (Certificate Revocation List), which     when parsed by an application would cause that     application to crash.(CVE-2015-1789)

  - A NULL pointer dereference was found in the way OpenSSL     handled certain PKCS#7 inputs. An attacker able to make     an application using OpenSSL verify, decrypt, or parse     a specially crafted PKCS#7 input could cause that     application to crash. TLS/SSL clients and servers using     OpenSSL were not affected by this flaw.(CVE-2015-1790)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the openssl098e package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - The PKCS7_dataDecodefunction in crypto/pkcs7/pk7_doit.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 (NULL pointer     dereference and application crash) via a PKCS#7 blob     that uses ASN.1 encoding and lacks inner     EncryptedContent data.(CVE-2015-1790)

  - The PKCS#7 implementation in OpenSSL before 0.9.8zf,     1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2     before 1.0.2a does not properly handle a lack of outer     ContentInfo, which allows attackers to cause a denial     of service (NULL pointer dereference and application     crash) by leveraging an application that processes     arbitrary PKCS#7 data and providing malformed data with     ASN.1 encoding, related to crypto/pkcs7/pk7_doit.c and     crypto/pkcs7/pk7_lib.c.(CVE-2015-0289)

  - The X509_to_X509_REQ function in crypto/x509/x509_req.c     in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1     before 1.0.1m, and 1.0.2 before 1.0.2a might allow     attackers to cause a denial of service (NULL pointer     dereference and application crash) via an invalid     certificate key.(CVE-2015-0288)

  - The ssl3_get_key_exchange function in s3_clnt.c in     OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1     before 1.0.1k allows remote SSL servers to conduct     RSA-to-EXPORT_RSA downgrade attacks and facilitate     brute-force decryption by offering a weak ephemeral RSA     key in a noncompliant role, related to the 'FREAK'     issue. NOTE: the scope of this CVE is only client code     based on OpenSSL, not EXPORT_RSA issues associated with     servers or other TLS implementations.(CVE-2015-0204)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
85581	Splunk Enterprise < 5.0.14 / 6.0.10 / 6.1.9 / 6.2.5 or Splunk Light < 6.2.5 Multiple Vulnerabilities	Nessus	CGI abuses	8/21/2015	1/19/2021	medium
85408	Mac OS X 10.10.x < 10.10.5 Multiple Vulnerabilities	Nessus	MacOS X Local Security Checks	8/17/2015	5/28/2024	high
129174	EulerOS 2.0 SP5 : openssl098e (EulerOS-SA-2019-1980)	Nessus	Huawei Local Security Checks	9/24/2019	4/24/2024	high
140843	EulerOS 2.0 SP3 : openssl098e (EulerOS-SA-2020-2076)	Nessus	Huawei Local Security Checks	9/28/2020	2/19/2024	medium

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