Security Advisories & Alerts

Microsoft Exchange Server Information Disclosure Vulnerability

CVE-2016-0028: Outlook Web Access (OWA) in Microsoft Exchange Server 2013 SP1, Cumulative Update 11, Cumulative Update 12 and 2016 Gold and Cumulative Update 1 does not properly restrict loading of IMG elements, which makes it easier for remote attackers to track users via a crafted HTML e-mail message, aka “Microsoft Exchange Information Disclosure Vulnerability.” Impact: An attacker can exploit this issue to conduct spoofing attacks...

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Exim < 4.86.2 - Privilege Escalation Vulnerability

Description: CVE-2016-1531: Exim before 4.86.2, when installed as setuid root, allows local users to gain privileges via the perl_startup argument. Impact: When Exim installation has been compiled with Perl support and contains a  perl_startup configuration variable it can be exploited by malicious local  attackers to gain root privileges. Mitigation: Vendor has released patch version. Reference URL’s: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1531 https://www.exim.org/static/doc/CVE-2016-1531.txt https://github.com/Exim/exim/wiki/EximSecurity


Zimbra Collaboration Server 7.2.2 / 8.0.2 – Local File Inclusion Vulnerability

Description: CVE-2013-7091: Directory traversal vulnerability on /res/I18nMsg,AjxMsg,ZMsg,ZmMsg,AjxKeys,ZmKeys,ZdMsg,Ajx%20TemplateMsg.js.zgz in Zimbra 7.2.2 and 8.0.2 allows remote attackers to read arbitrary files via a .. (dot dot) in the skin parameter. NOTE: This can be leveraged to execute arbitrary code by obtaining LDAP credentials and accessing the service/admin/soap API. Impact: An attacker can exploit this vulnerability to obtain potentially sensitive information like LDAP root credentials and execute arbitrary...

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Linux Kernel 4.4.1 – REFCOUNT Overflow/Use-After-Free in Keyrings Privilege Escalation vulnerability

Description: CVE-2016-0728: The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands. Impact: Local attackers may exploit this issue to gain root privileges. Mitigation: Vendor has released patch version. Reference URL’s: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0728 https://access.redhat.com/security/cve/cve-2016-0728 https://security-tracker.debian.org/tracker/CVE-2016-0728 https://www.suse.com/security/cve/CVE-2016-0728/


Apache Struts – Dynamic Method Invocation – Remote Code Execution

Description: CVE-2016-3081: Apache Struts 2.x before 2.3.20.2, 2.3.24.x before 2.3.24.2 and 2.3.28.x before 2.3.28.1, when Dynamic Method Invocation is enabled allows remote attackers to execute arbitrary code via method: prefix, related to chained expressions. Impact: Successfully exploiting this issue may allow an attacker to execute arbitrary code in the context of the affected application. Failed exploit attempts may cause a denial-of-service condition. Mitigation: Vendor has...

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