Ruby pack_pack Use After Free Vulnerability

Talos Vulnerability Report TALOS-2016-0033 Ruby packpack Use After Free Vulnerability June 14, 2016 CVE Number CVE-2016-2338 DESCRIPTION An exploitable User After Free vulnerability exists in the packpack function of Ruby. In packpack function each element of array which should be “pack”, based o...

Adobe Flash Player Infinite Recursion Arbitrary Read Access Violation

SUMMARY A potentially exploitable read access violation vulnerability exists in the a way Adobe Flash Player handles infinitely recursive calls. A specially crafted ActionScript code can cause a read access violation which can potentially be further abused. To trriger this vulnerability user...

Ruby TclTkIp ip_cancel_eval Type Confusion Vulnerabilities

Talos Vulnerability Report TALOS-2016-0031 Ruby TclTkIp ipcanceleval Type Confusion Vulnerabilities June 14, 2016 CVE Number CVE-2016-2337 DESCRIPTION Type Confusion exists in canceleval Ruby’s TclTkIp class method. Attacker passing different type of object than String as “retval” argument can...

Ruby WIN32OLE ole_invoke and ole_query_interface Type Confusion Vulnerabilities

Talos Vulnerability Report TALOS-2016-0029 Ruby WIN32OLE oleinvoke and olequeryinterface Type Confusion Vulnerabilities June 14, 2016 CVE Number CVE-2016-2336 DESCRIPTION Type Confusion exists in two methods of Ruby’s WIN32OLE class, oleinvoke and olequeryinterface. Attacker passing different typ...

IBM Domino KeyView PDF Filter Trailer ID Code Execution Vulnerability

SUMMARY A heap based buffer overflow vulnerability present in KeyView PDF filter as used by Domino can lead to remote arbitrary code execution. TESTED VERSIONS KeyView 10.16 as used by IBM Domino 9.0.1 PRODUCT URLs http://www-03.ibm.com/software/products/en/ibmdomino DETAILS While parsing an ID...

IBM Domino KeyView PDF Filter Stream Length Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0090 IBM Domino KeyView PDF Filter Stream Length Code Execution Vulnerability June 8, 2016 CVE Number CVE-2016-0278 Description An integer overflow vulnerability present in the PDF filter of KeyView as used by Domino can lead to process crash and possible...

ESnet iPerf3 JSON parse_string UTF Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0164 ESnet iPerf3 JSON parsestring UTF Code Execution Vulnerability June 8, 2016 CVE Number CVE-2016-4303 DESCRIPTION An exploitable remote code execution vulnerability exists in the JSON handling functionality of ESnet iPerf3. A specially crafted JSON string...

IBM Domino KeyView PDF Filter Encrypted Stream Code Execution Vulnerability

Summary A stack overflow vulnerability present in the PDF filter of KeyView as used by Domino can lead to process crash and possible arbitrary code execution. Tested Versions KeyView 10.16 as used by IBM Domino 9.0.1 Product URLs http://www-03.ibm.com/software/products/en/ibmdomino Details While...

Google Chrome PDFium jpeg2000 SIZ Code Execution Vulnerability

SUMMARY An exploitable heap buffer overflow vulnerability exists in the Pdfium PDF reader included in the Google Chrome web browser. A specially crafted PDF document with embedded jpeg2000 image can cause a heap buffer overflow potentially resulting in an arbitrary code execution. An attacker can...

IBM Domino KeyView PDF Filter BaseFont Code Execution Vulnerability

Summary A heap buffer overflow vulnerability present in the PDF filter of KeyView as used by Domino can lead to arbitrary code execution. Tested Versions KeyView 10.16 as used by IBM Domino 9.0.1 Product URLs http://www-03.ibm.com/software/products/en/ibmdomino Details While parsing a specially...

7zip UDF CInArchive::ReadFileItem Code Execution Vulnerability

Summary An out of bound read vulnerability exists in the CInArchive::ReadFileItem method functionality of 7zip for handling UDF files that can lead to denial of service or code execution. Tested Versions 7-Zip 32 15.05 beta 7-Zip 64 9.20 Product URLs http://www.7-zip.org/ Details...

7zip HFS+ NArchive::NHfs::CHandler::ExtractZlibFile Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0093 7zip HFS+ NArchive::NHfs::CHandler::ExtractZlibFile Code Execution Vulnerability May 10, 2016 CVE Number CVE-2016-2334 DESCRIPTION An exploitable heap overflow vulnerability exists in the NArchive::NHfs::CHandler::ExtractZlibFile method functionality of...

Libarchive zip zip_read_mac_metadata Code Execution Vulnerability

SUMMARY An exploitable heap overflow vulnerability exists in the zip archive decompression functionality of libarchive. A specially crafted zip file can cause memory corruption leading to code execution. An attacker can send a malformed file to trigger this vulnerability. TESTED VERSIONS libarchi...

Network Time Protocol Forced Interleaved Time Spoofing Vulnerability

SUMMARY It is possible to change the time of an ntpd client or deny service to an ntpd client by forcing it to change from basic client/server mode to interleaved symmetric mode. An attacker can spoof a packet from a legitimate ntpd server with an origin timestamp that matches the peer-dst...

Network Time Protocol Crypto-NAK Preemptible Association Denial of Service Vulnerability

SUMMARY An off-path attacker can cause a preemptible client association to be demobilized by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled. Furthermore, if the attacker keeps sending cryp...

Network Time Protocol libntp Message Digest Disclosure Vulnerability

SUMMARY An exploitable vulnerability exists in the message authentication functionality of Network Time Protocol libntp. An attacker can send a series of crafted messages to attempt to recover the message digest key. TESTED VERSIONS ntp 4.2.8p4 NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92...

Network Time Protocol ntpd Reference Clock Impersonation Vulnerability

SUMMARY ntpd relies on the underlying operating system to protect it from requests that impersonate reference clocks. Because reference clocks are treated like other peers and stored in the same structure, any packet with a source ip address of a reference clock 127.127.1.1 for example that reach...

Network Time Protocol Ephemeral Association Time Spoofing Vulnerability

SUMMARY ntpd is vulnerable to Sybil attacks. A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win ntpd’s clock selection algorithm and modify a victim’s clock. TESTED VERSIONS NTP 4.2.8p3 NTP 4.2.8p4 NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 NTPs...

Oracle IOT IX SDK libvs_pdf XRef Index Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0086 Oracle IOT IX SDK libvspdf XRef Index Code Execution Vulnerability April 19, 2016 CVE Number CVE-2016-3455 DESCRIPTION A vulnerability in PDF parser of the IX SDK exists that allows an out of bounds heap memory overwrite potentially leading to remote cod...

Lhasa lha decode_level3_header Heap Corruption Vulnerability

SUMMARY An exploitable integer underflow exists during calculation size for all headers in decodelevel3header function of Lhasa lha application. Smaller value of headerlen than LEVEL3HEADERLEN 32 cause during subtraction integer underflow and lead later to memory corruption via heap based buffer...

Apple OS X Gen6Accelerator IOGen575Shared::new_texture Local Privilege Escalation Vulnerability

SUMMARY A vulnerability exists in the communication functionality of the Apple Intel HD 3000 Graphics kernel driver. A specially crafted message can cause a vulnerability resulting in local privilege escalation. TESTED VERSIONS Apple OSX Intel HD 3000 Graphics driver 10.0.0 -...

Trane Comfortlink II DSS Service REG Handling Remote Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0027 Trane Comfortlink II DSS Service REG Handling Remote Code Execution Vulnerability February 8, 2016 CVE Number CVE-2015-2868 DESCRIPTION An exploitable remote code execution vulnerability exists in the Trane ComfortLink II DSS service. An attacker who can...

Trane Comfortlink II DSS Service Request Handling Remote Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0026 Trane Comfortlink II DSS Service Request Handling Remote Code Execution Vulnerability February 8, 2016 CVE Number CVE-2015-2868 Description An exploitable remote code execution vulnerability exists in the Trane ComfortLink II DSS service. An attacker who...

Trane ComfortLink II SCC Service Hardcoded Credentials Vulnerability

Talos Vulnerability Report TALOS-2016-0028 Trane ComfortLink II SCC Service Hardcoded Credentials Vulnerability February 8, 2016 CVE Number CVE-2015-2867 Description A design flaw in the Trane ComfortLink II SCC service allows remote attackers to take complete control of the system. During system...

Libgraphite Bidirectional Font mFeatureMap Denial of Service Vulnerability

Talos Vulnerability Report TALOS-2016-0060 Libgraphite Bidirectional Font mFeatureMap Denial of Service Vulnerability February 5, 2016 CVE Number CVE-2016-1522 Description An exploitable NULL pointer dereference exists in the bidirectional font handling functionality of Libgraphite. A specially...

Libgraphite Bidirectional Font BracketPairStack Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0057 Libgraphite Bidirectional Font BracketPairStack Code Execution Vulnerability February 5, 2016 CVE Number CVE-2016-1522 Description An exploitable out-of-bounds access vulnerability exists in the bidirectional font handling functionality of Libgraphite. A...

Libgraphite LocaLookup Denial of Service Vulnerability

Talos Vulnerability Report TALOS-2016-0061 Libgraphite LocaLookup Denial of Service Vulnerability February 5, 2016 CVE Number CVE-2016-1521 Description An exploitable denial of service vulnerability exists in the font handling of Libgraphite. A specially crafted font can cause an out-of-bounds re...

Libgraphite Context Item Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0059 Libgraphite Context Item Code Execution Vulnerability February 5, 2016 CVE Number CVE-2016-1523 Description An exploitable heap-based buffer overflow exists in the context item handling functionality of Libgraphite. A specially crafted font can cause a...

Libgraphite directrun Opcode Handling Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0058 Libgraphite directrun Opcode Handling Code Execution Vulnerability February 5, 2016 CVE Number CVE-2016-1521 Description An exploitable out-of-bounds read vulnerability exists in the opcode handling functionality of Libgraphite. A specially crafted font...

Matroska libebml EbmlUnicodeString Heap Information Leak

Talos Vulnerability Report TALOS-2016-0036 Matroska libebml EbmlUnicodeString Heap Information Leak January 28, 2016 CVE Number CVE-2015-8790 Description A specially crafted unicode string can cause an off-by-few read on the heap in unicode string parsing code in libebml. This issue can potential...

Matroska Media Container libmatroska Multiple ElementList Double Free Vulnerabilities

Talos Vulnerability Report TALOS-2016-0037 Matroska Media Container libmatroska Multiple ElementList Double Free Vulnerabilities January 28, 2016 CVE Number CVE-2016-1515 Description A use after free/double free vulnerability can occur in libmatroska while parsing Track elements of the MKV...

Network Time Protocol Private Mode 'reslist' NULL Pointer Dereference Vulnerability

Summary An unauthenticated ntpdc reslist command can cause a segmentation fault in ntpd by causing a NULL pointer dereference. The following conditions must be met: 1. Mode 7 must be enabled. By default, mode 7 is disabled. 2. A large enough number of entries must exist in the restrict list to...

Network Time Protocol Skeleton Key: Symmetric Authentication Impersonation Vulnerability

CERT VU357792 Summary Symmetric key encryption requires a single trusted key to be specified for each server configuration. A key specified only for one server should only work to authenticate that server, other trusted keys should be refused. Instead we observe that when symmetric key...

Network Time Protocol Origin Timestamp Check Impersonation Vulnerability

CERT VU357792 Summary To distinguish legitimate peer responses from forgeries, a client attempts to verify a response packet by ensuring that the origin timestamp in an incoming packet matches the transmit timestamp it transmitted in its last request. A logic error exists that allows packets with...

Network Time Protocol Authenticated Preemptable Modes Denial-of-Service Vulnerability

CERT VU357792 Summary Expected Behavior: The protocol should prevent against off-path Denial of Service attacks in authenticated broadcast and other modes which create preemptable associations, such as: multicast client, manycast client, pool client modes, and associations configured with the...

Network Time Protocol ntpq and ntpdc Origin Timestamp Disclosure Vulnerability

CERT VU357792 Summary To prevent off-path attackers from impersonating legitimate peers, clients require that the origin timestamp in a received response packet match the transmit timestamp from its last request to a given peer. Under assumption that only the recipient of the request packet will...

Network Time Protocol ntpq Special Character Filtering Vulnerability

Summary The ntpq saveconfig command does not do adequate filtering of special characters from the supplied filename. Only back slash and forward slash are currently filtered out. There are other special characters that are allowed in the filename which can cause issues during globbing. In additio...

Network Time Protocol Private Mode 'reslist' Stack Memory Exhaustion Vulnerability

CERT VU357792 Summary An unauthenticated ntpdc reslist command can cause a segmentation fault in ntpd by exhausting the call stack. The following conditions must be met: 1. Mode 7 must be enabled. By default, mode 7 is disabled. 2. A large enough number of entries must be in the restrict lists to...

Network Time Protocol ntpq Control Protocol Replay Vulnerability

CERT VU357792 Summary The ntpq protocol is vulnerable to replay attacks. The sequence number being included under the signature fails to prevent replay attacks for two reasons. Commands that don’t require authentication can be used to move the sequence number forward, and NTP doesn’t actually car...

Network Time Protocol ntpq and ntpdc Infinite Loop Vulnerability

CERT VU357792 Summary ntpq processes incoming packets in a loop in getresponse. The loop’s only stopping conditions are receiving a complete and correct response or hitting a small number of error conditions. If the packet contains incorrect values that don’t trigger one of the error conditions,...

Network Time Protocol ntpq Buffer Overflow Vulnerability

CERT VU357792 Summary ntpq contains a buffer overflow. nextvar executes a memcpy into the name buffer without a proper length check against its maximum length of 256 bytes. Tested Versions ntp 4.2.8p3 NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 Product URLs http://www.ntp.orghttp://www.ntp.or...

Network Time Protocol Deja Vu: Broadcast Mode Replay Vulnerability

Summary Expected Behavior: RFC 5905 page 29 Section 8 states that the on-wire protocol resists replay of server response packet in broadcast mode. Also on page 55 section 15, the RFC claims security in authenticated mode against on-path attackers where an attacker can: a Intercept and archive...

Apple Quicktime Invalid samr Atom Size Denial of Service Vulnerability

Talos Vulnerability Report TALOS-2016-0019 Apple Quicktime Invalid samr Atom Size Denial of Service Vulnerability January 8, 2016 CVE Number CVE-2015-7087 Description There is a denial of service vulnerability in Apple Quicktime. An attacker who can control the size of a samr atom in a .mov file...

Apple Quicktime mdat Corruption Denial of Service Vulnerability

Talos Vulnerability Report TALOS-2016-0021 Apple Quicktime mdat Corruption Denial of Service Vulnerability January 8, 2016 CVE Number CVE-2015-7089 Description There is a denial of service vulnerability in Apple Quicktime. An attacker who can control the content of the mdat section of a .mov file...

Apple Quicktime mdat Corruption Denial of Service Vulnerability

Talos Vulnerability Report TALOS-2016-0020 Apple Quicktime mdat Corruption Denial of Service Vulnerability January 8, 2016 CVE Number CVE-2015-7088 Description There is a denial of service vulnerability in Apple Quicktime. An attacker who can control the content of the mdat section of a .mov file...

Apple Quicktime Invalid alis Atom Size Denial of Service Vulnerability

Talos Vulnerability Report TALOS-2016-0022 Apple Quicktime Invalid alis Atom Size Denial of Service Vulnerability January 8, 2016 CVE Number CVE-2015-7117 Description There is a denial of service vulnerability in Apple Quicktime. An attacker who can control the size of an alis atom in a .mov file...

Apple Quicktime dref Atom Null Data Reference Entry Denial of Service Vulnerability

Talos Vulnerability Report TALOS-2016-0023 Apple Quicktime dref Atom Null Data Reference Entry Denial of Service Vulnerability January 8, 2016 CVE Number CVE-2015-7090 Description There is a denial of service vulnerability in Apple Quicktime. An attacker who can control the size and type of a dat...

RTMPDump rtmpsrv PlayPath Null Pointer Dereference

Talos Vulnerability Report TALOS-2016-0068 RTMPDump rtmpsrv PlayPath Null Pointer Dereference January 7, 2016 CVE Number CVE-2015-8272 Description A vulnerability exists in rtmpsrv in which an attacker can entice a user to utilize rtmpsrv to save an RTMP media stream that is missing a playpath...

RTMPDump librtmp AMF3 MemberName Denial of Service Vulnerability

Talos Vulnerability Report TALOS-2016-0066 RTMPDump librtmp AMF3 MemberName Denial of Service Vulnerability January 7, 2016 CVE Number CVE-2015-8270 Description The vulnerability occurs within the AMF3ReadString function within amf.c. If an attacker sets up a malicious RTMP Media server that...

RTMPDump librtmp AMF3 Class Member Count Remote Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0067 RTMPDump librtmp AMF3 Class Member Count Remote Code Execution Vulnerability January 7, 2016 CVE Number CVE-2015-8271 Description The vulnerability occurs within the AMF3CDAddProp function within amf.c. If an attacker sets up a malicious RTMP Media serve...