icoutils -- check_offset overflow on 64-bit systems

Choongwoo Han reports: An exploitable crash exists in the wrestool utility on 64-bit systems where the result of subtracting two pointers exceeds the size of int...

Irssi -- multiple vulnerabilities

Irssi reports: Five vulnerabilities have been located in Irssi A NULL pointer dereference in the nickcmp function found by Joseph Bisch. CWE-690 Use after free when receiving invalid nick message Issue 466, CWE-146 Out of bounds read in certain incomplete control codes found by Joseph Bisch...

Use-After-Free Vulnerability in pcsc-lite

Peter Wu on Openwall mailing-list reports: The issue allows a local attacker to cause a Denial of Service, but can potentially result in Privilege Escalation since the daemon is running as root. while any local user can connect to the Unix socket. Fixed by patch which is released with hpcsc-lite...

phpmailer -- Remote Code Execution

Legal Hackers reports: An independent research uncovered a critical vulnerability in PHPMailer that could potentially be used by unauthenticated remote attackers to achieve remote arbitrary code execution in the context of the web server user and remotely compromise the target web application. To...

PHP -- multiple vulnerabilities

Check Point reports: ... discovered 3 fresh and previously unknown vulnerabilities CVE-2016-7479, CVE-2016-7480, CVE-2016-7478 in the PHP 7 unserialize mechanism. The first two vulnerabilities allow attackers to take full control over servers, allowing them to do anything they want with the...

phpmailer -- Remote Code Execution

Legal Hackers reports: An independent research uncovered a critical vulnerability in PHPMailer that could potentially be used by unauthenticated remote attackers to achieve remote arbitrary code execution in the context of the web server user and remotely compromise the target web application. To...

openssh -- multiple vulnerabilities

The OpenSSH project reports: ssh-agent1: Will now refuse to load PKCS11 modules from paths outside a trusted whitelist run-time configurable. Requests to load modules could be passed via agent forwarding and an attacker could attempt to load a hostile PKCS11 module across the forwarded agent...

cURL -- uninitialized random vulnerability

Project curl Security Advisory: libcurl's new internal function that returns a good 32bit random value was implemented poorly and overwrote the pointer instead of writing the value into the buffer the pointer pointed to. This random value is used to generate nonces for Digest and NTLM...

Several Security Defects in the Bouncy Castle Crypto APIs

The Legion of the Bouncy Castle reports: Release: 1.56 2.1.4 Security Related Changes and CVE's Addressed by this Release: multiple...

FreeBSD -- Multiple vulnerabilities of ntp

Problem Description: Multiple vulnerabilities have been discovered in the NTP suite: CVE-2016-9311: Trap crash, Reported by Matthew Van Gundy of Cisco ASIG. CVE-2016-9310: Mode 6 unauthenticated trap information disclosure and DDoS vector. Reported by Matthew Van Gundy of Cisco ASIG. CVE-2016-742...

xen-kernel -- x86 PV guests may be able to mask interrupts

The Xen Project reports: Certain PV guest kernel operations page table writes in particular need emulation, and use Xen's general x86 instruction emulator. This allows a malicious guest kernel which asynchronously modifies its instruction stream to effect the clearing of EFLAGS.IF from the state...

cURL -- buffer overflow

The cURL project reports: printf floating point buffer overflow libcurl's implementation of the printf functions triggers a buffer overflow when doing a large floating point output. The bug occurs when the conversion outputs more than 255 bytes...

Apache httpd -- several vulnerabilities

Apache Software Foundation reports: Please reference CVE/URL list for details...

ikiwiki -- multiple vulnerabilities

Mitre reports: ikiwiki 3.20161219 does not properly check if a revision changes the access permissions for a page on sites with the git and recentchanges plugins and the CGI interface enabled, which allows remote attackers to revert certain changes by leveraging permissions to change the page...

samba -- multiple vulnerabilities

Samba team reports: CVE-2016-2123 Authenticated users can supply malicious dnsRecord attributes on DNS objects and trigger a controlled memory corruption. CVE-2016-2125 Samba client code always requests a forwardable ticket when using Kerberos authentication. This means the target server, which...

xen-kernel -- x86: Mishandling of SYSCALL singlestep during emulation

The Xen Project reports: The typical behaviour of singlestepping exceptions is determined at the start of the instruction, with a DB trap being raised at the end of the instruction. SYSCALL and SYSRET, although we don't implement it behave differently because the typical behaviour allows userspac...

squid -- multiple vulnerabilities

Squid security advisory 2016:10 reports: Due to incorrect comparison of request headers Squid can deliver responses containing private data to clients it should not have reached. This problem allows a remote attacker to discover private and sensitive information about another clients browsing...

exim -- DKIM private key leak

The Exim project reports: Exim leaks the private DKIM signing key to the log files. Additionally, if the build option EXPERIMENTALDSNINFO=yes is used, the key material is included in the bounce message...

powerdns -- multiple vulnerabilities

PowerDNS reports: 2016-02: Crafted queries can cause abnormal CPU usage 2016-03: Denial of service via the web server 2016-04: Insufficient validation of TSIG signatures 2016-05: Crafted zone record can cause a denial of service...

mozilla -- multiple vulnerabilities

Mozilla Foundation reports: CVE-2016-9894: Buffer overflow in SkiaGL CVE-2016-9899: Use-after-free while manipulating DOM events and audio elements CVE-2016-9895: CSP bypass using marquee tag CVE-2016-9896: Use-after-free with WebVR CVE-2016-9897: Memory corruption in libGLES CVE-2016-9898:...

xen-kernel -- x86 CMPXCHG8B emulation fails to ignore operand size override

The Xen Project reports: The x86 instruction CMPXCHG8B is supposed to ignore legacy operand size overrides; it only honors the REX.W override making it CMPXCHG16B. So, the operand size is always 8 or 16. When support for CMPXCHG16B emulation was added to the instruction emulator, this restriction...

PHP -- Multiple vulnerabilities

The PHP project reports: This is a security release. Several security bugs were fixed in this release...

PHP -- multiple vulnerabilities

The PHP project reports: Use After Free Vulnerability in unserialize CVE-2016-9936 Invalid read when wddx decodes empty boolean element CVE-2016-9935...

Apache httpd -- denial of service in HTTP/2

modhttp2 reports: The Apache HTTPD web server from 2.4.17-2.4.23 did not apply limitations on request headers correctly when experimental module for the HTTP/2 protocol is used to access a resource. The net result is that a the server allocates too much memory instead of denying the request. This...

Joomla! -- multiple vulnerabilities

The JSST and the Joomla! Security Center report: 20161201 - Core - Elevated Privileges Incorrect use of unfiltered data stored to the session on a form validation failure allows for existing user accounts to be modified; to include resetting their username, password, and user group assignments...

FreeBSD -- link_ntoa(3) buffer overflow

Problem Description: A specially crafted argument can trigger a static buffer overflow in the library, with possibility to rewrite following static buffers that belong to other library functions. Impact: Due to very limited use of the function in the existing applications, and limited length of t...

FreeBSD -- bhyve(8) virtual machine escape

Problem Description: The bounds checking of accesses to guest memory greater than 4GB by device emulations is subject to integer overflow. Impact: For a bhyve virtual machine with more than 3GB of guest memory configured, a malicious guest could craft device descriptors that could give it access ...

FreeBSD -- Possible login(1) argument injection in telnetd(8)

Problem Description: An unexpected sequence of memory allocation failures combined with insufficient error checking could result in the construction and execution of an argument sequence that was not intended. Impact: An attacker who controls the sequence of memory allocation failures and success...

RabbitMQ -- Authentication vulnerability

Pivotal.io reports: MQTT MQ Telemetry Transport connection authentication with a username/password pair succeeds if an existing username is provided but the password is omitted from the connection request. Connections that use TLS with a client-provided certificate are not affected...

libdwarf -- multiple vulnerabilities

Christian Rebischke reports: libdwarf is vulnerable to multiple issues including arbitrary code execution, information disclosure and denial of service...

ipsec-tools -- remotely exploitable computational-complexity attack

Robert Foggia via NetBSD GNATS reports: The ipsec-tools racoon daemon contains a remotely exploitable computational complexity attack when parsing and storing isakmp fragments. The implementation permits a remote attacker to exhaust computational resources on the remote endpoint by repeatedly...

chromium -- multiple vulnerabilities

Google Chrome Releases reports: 36 security fixes in this release Please reference CVE/URL list for details...

dovecot -- Dovecot DoS when passdb dict was used for authentication

Timo Sirainen reports: passdb/userdb dict: Don't double-expand %variables in keys. If dict was used as the authentication passdb, using specially crafted %variables in the username could be used to cause DoS...

Mozilla -- SVG Animation Remote Code Execution

The Mozilla Foundation reports: A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows...

Roundcube -- arbitrary command execution

The Roundcube project reports steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote...

subversion -- Unrestricted XML entity expansion in mod_dontdothat and Subversionclients using http(s)

The Apache Software Foundation reports: The moddontdothat module of subversion and subversion clients using https:// are vulnerable to a denial-of-service attack, caused by exponential XML entity expansion. The attack targets XML parsers causing targeted process to consume excessive amounts of...

asterisk -- Authentication Bypass

The Asterisk project reports: The chansip channel driver has a liberal definition for whitespace when attempting to strip the content between a SIP header name and a colon character. Rather than following RFC 3261 and stripping only spaces and horizontal tabs, Asterisk treats any non-printable...

mozilla -- data: URL can inherit wrong origin after an HTTP redirect

The Mozilla Foundation reports: Redirection from an HTTP connection to a data: URL assigns the referring site's origin to the data: URL in some circumstances. This can result in same-origin violations against a domain if it loads resources from malicious sites. Cross-origin setting of cookies has...

phpMyAdmin -- multiple vulnerabilities

Please reference CVE/URL list for details...

libvncserver -- multiple buffer overflows

libvnc server reports: Two unrelated buffer overflows can be used by a malicious server to overwrite parts of the heap and crash the client or possibly execute arbitrary code...

wget -- Access List Bypass / Race Condition

Dawid Golunski reports: GNU wget in version 1.17 and earlier, when used in mirroring/recursive mode, is affected by a Race Condition vulnerability that might allow remote attackers to bypass intended wget access list restrictions specified with -A parameter...

xen-kernel -- guest 32-bit ELF symbol table load leaking host data

The Xen Project reports: Along with their main kernel binary, unprivileged guests may arrange to have their Xen environment load kernel symbol tables for their use. The ELF image metadata created for this purpose has a few unused bytes when the symbol table binary is in 32-bit ELF format. These...

tomcat -- multiple vulnerabilities

The Apache Software Foundation reports: Important: Remote Code Execution CVE-2016-8735 Important: Information Disclosure CVE-2016-6816...

xen-tools -- delimiter injection vulnerabilities in pygrub

The Xen Project reports: pygrub, the boot loader emulator, fails to quote or sanity check its results when reporting them to its caller. A malicious guest administrator can obtain the contents of sensitive host files an information leak. Additionally, a malicious guest administrator can cause fil...

xen-kernel -- x86 task switch to VM86 mode mis-handled

The Xen Project reports: LDTR, just like TR, is purely a protected mode facility. Hence even when switching to a VM86 mode task, LDTR loading needs to follow protected mode semantics. This was violated by the code. On SVM AMD hardware: a malicious unprivileged guest process can escalate its...

xen-tools -- qemu incautious about shared ring processing

The Xen Project reports: The compiler can emit optimizations in qemu which can lead to double fetch vulnerabilities. Specifically data on the rings shared between qemu and the hypervisor which the guest under control can obtain mappings of can be fetched twice during which time the guest can alte...

xen-kernel -- x86 null segments not always treated as unusable

The Xen Project reports: The Xen x86 emulator erroneously failed to consider the unusability of segments when performing memory accesses. The intended behaviour is as follows: The user data segment %ds, %es, %fs and %gs selectors may be NULL in 32-bit to prevent access. In 64-bit, NULL has a...

vim -- arbitrary command execution

Mitre reports: vim before patch 8.0.0056 does not properly validate values for the 'filetype', 'syntax' and 'keymap' options, which may result in the execution of arbitrary code if a file with a specially crafted modeline is opened...

xen-kernel -- x86 64-bit bit test instruction emulation broken

The Xen Project reports: The x86 instructions BT, BTC, BTR, and BTS, when used with a destination memory operand and a source register rather than an immediate operand, access a memory location offset from that specified by the memory operand as specified by the high bits of the register source. ...

xen-kernel -- x86 segment base write emulation lacking canonical address checks

The Xen Project reports: Both writes to the FS and GS register base MSRs as well as the WRFSBASE and WRGSBASE instructions require their input values to be canonical, or a GP fault will be raised. When the use of those instructions by the hypervisor was enabled, the previous guard against GP faul...