A vulnerability was found in gnutls. A stack overflow could occur in opencdk in the cdkpkgetkeyid function. A memory corruption could occur when parsing a maliciously crafted OpenPGP certificate.
References:
http://seclists.org/oss-sec/2017/q1/51 https://gnutls.org/security.html#GNUTLS-SA-2017-2
Upstream patch:
https://gitlab.com/gnutls/gnutls/commit/5140422e0d7319a8e2fe07f02cbcafc4d6538732
A vulnerability was found in gnutls. A heap read overflow could occur while parsing maliciously crafted OpenPGP certificate.
References:
http://seclists.org/oss-sec/2017/q1/51 https://gnutls.org/security.html#GNUTLS-SA-2017-2
Upstream patch:
https://gitlab.com/gnutls/gnutls/commit/94fcf1645ea17223237aaf8d19132e004afddc1a
Double free vulnerability in the gnutlsx509extimportproxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension.
An old inffast.c optimization turns out to not be optimal anymore with modern compilers, and furthermore was not compliant with the C standard, for which decrementing a pointer before its allocated memory is undefined.
External References:
https://wiki.mozilla.org/images/0/09/Zlib-report.pdf https://docs.google.com/document/d/10i1KZS5so8xDqH2rplRa2xet0tyTvvJlLbQQmZIUIKE/edit#heading=h.t13tvnx4loq7
Upstream patch:
https://github.com/madler/zlib/commit/9aaec95e82117c1cb0f9624264c3618fc380cecb
CVE assignment:
http://seclists.org/oss-sec/2016/q4/602
An upgrade to zlib 1.2.11 to fix a number of low severity CVEs that were present in zlib 1.2.8.
Added checks to prevent overflow in rle file.
CVE assignment:
http://seclists.org/oss-sec/2016/q2/459
Upstream patch:
https://anonscm.debian.org/cgit/collab-maint/imagemagick.git/commit/?h=debian-patches/6.8.9.9-4-for-upstream&id=2d90693af41a363a988a9db3a91a15f9ca7c7370
Red Hat Product Security has been made aware of a stack-based buffer overflow affecting the DHCP implementation of dnsmasq.
The sshagentchanneldata function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.
Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response.
An upgrade to zlib 1.2.11 to fix a number of low severity CVEs that were present in zlib 1.2.8.
An upgrade to zlib 1.2.11 to fix a number of low severity CVEs that were present in zlib 1.2.8.
It was discovered that the upstream fix for this issue was not complete. There is still a memory allocation failure in memory.c
References:
http://seclists.org/oss-sec/2016/q4/197 https://blogs.gentoo.org/ago/2016/10/20/imagemagick-memory-allocation-failure-in-acquiremagickmemory-memory-c-incomplete-fix-for-cve-2016-8862/
A new exploitation technique called key reinstallation attacks used to break Wi-Fi handshakes that negotiate session keys was discovered. These attacks target the Wi-Fi/WPA2 standard. An adversary can trick a vulnerable Access Point (AP) into reinstalling the pairwise key by retransmitted or replayed FT Reassociation Request. While reinstalling the already in-use key, the associated packet number (sometimes also called nonce) and receive replay counter is reset. This causes nonce reuse, voiding any security the underlying encryption protocol is supposed to provide. For example, it allows decryption or injection of frames, and enables an attacker to replay frames.
The Salsa20 encryption algorithm in the Linux kernel before 4.14.8 does not correctly handle zero-length inputs, allowing a local attacker able to use the AFALG-based skcipher interface (CONFIGCRYPTOUSERAPISKCIPHER) to cause a denial of service (uninitialized-memory free and kernel crash) or have unspecified other impact by executing a crafted sequence of system calls that use the blkcipherwalk API. Both the generic implementation (crypto/salsa20generic.c) and x86 implementation (arch/x86/crypto/salsa20glue.c) of Salsa20 were vulnerable.
The HMAC implementation (crypto/hmac.c) in the Linux kernel before 4.14.8 does not validate that the underlying cryptographic hash algorithm is unkeyed, allowing a local attacker able to use the AFALG-based hash interface (CONFIGCRYPTOUSERAPIHASH) and the SHA-3 hash algorithm (CONFIGCRYPTOSHA3) to cause a kernel stack buffer overflow by executing a crafted sequence of system calls that encounter a missing SHA-3 initialization.
A vulnerability was found in icoutils in extract.c. It is possible to access unallocated memory via wrestool while parsing maliciously crafted file which would make the application crash or possibly allow code execution.
References:
http://seclists.org/oss-sec/2017/q1/56
Upstream patch:
http://git.savannah.gnu.org/cgit/icoutils.git/commit/?id=1aa9f28f7bcbdfff6a84a15ac8d9a87559b1596a
An integer overflow vulnerability was found in extract.c while transferring resources into file memory. A maliciously crafted file could make the application crash or possibly allow code execution.
References:
http://seclists.org/oss-sec/2017/q1/56
Upstream patch:
http://git.savannah.gnu.org/cgit/icoutils.git/commit/?id=1a108713ac26215c7568353f6e02e727e6d4b24a
A vulnerability was found in gnutls. There was an insufficient error checking in the stream reading functions. While parsing a maliciously crafted OpenPGP certificate an out of memory error could occur.
References:
http://seclists.org/oss-sec/2017/q1/51 https://gnutls.org/security.html#GNUTLS-SA-2017-2
Upstream patch:
https://gitlab.com/gnutls/gnutls/commit/49be4f7b82eba2363bb8d4090950dad976a77a3a
A vulnerability was found in tigerVNC. The Xvnc server from tigervnc can crash when a client terminates a TLS connection early. This is due to invalid initialization/deinitialization order of the GnuTLS library.
References:
http://seclists.org/oss-sec/2017/q1/297
Upstream patch:
https://github.com/TigerVNC/tigervnc/commit/8aa4bc53206c2430bbf0c8f4b642f59a379ee649
Pacemaker before 1.1.15, when using pacemaker remote, might allow remote attackers to cause a denial of service (node disconnection) via an unauthenticated connection.
Avoid a memory leak in quantum management.
CVE assignment:
http://seclists.org/oss-sec/2016/q2/459
Upstream patch:
https://anonscm.debian.org/cgit/collab-maint/imagemagick.git/commit/?h=debian-patches/6.8.9.9-4-for-upstream&id=44675e8e48977bbeb1cafade861db2d777a5c7ae
libarchive. A buffer overflow issue was addressed through improved memory handling.
A crafted 7zip archive with multiple headers of the same kind could cause calculated values from one being used to interpret the other, leading to out-of-bounds reads of adjacent structures on the heap.
Disclosed on oss-security:
http://seclists.org/oss-sec/2016/q3/516
Upstream issue:
https://github.com/libarchive/libarchive/issues/761
Upstream fix:
https://github.com/libarchive/libarchive/commit/7f17c79
The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets.
A new exploitation technique called key reinstallation attacks used to break Wi-Fi handshakes that negotiate session keys was discovered. These attacks target the Wi-Fi/WPA2 standard. An adversary can trick a client or Access Point (AP) into reinstalling an already-in use pairwise key in 4-way handshake. While reinstalling the already in-use key, the associated packet number (sometimes also called nonce) and receive replay counter is reset. This causes nonce reuse, voiding any security the underlying encryption protocol is supposed to provide. For example, it allows decryption or injection of frames, and enables an attacker to replay frames.
Wi-Fi Protected Access (WPA and WPA2) allows reinstallation of the Tunneled Direct-Link Setup (TDLS) Peer Key (TPK) during the TDLS handshake, allowing an attacker within radio range to replay, decrypt, or spoof frames.
The SuSEfirewall2 package before 3.6.312-2.13.1 in SUSE Linux Enterprise (SLE) Desktop 12 SP2, Server 12 SP2, and Server for Raspberry Pi 12 SP2; before 3.6.312.333-3.10.1 in SLE Desktop 12 SP3 and Server 12 SP3; before 3.6SVNr208-2.18.3.1 in SLE Server 11 SP4; before 3.6.312-5.9.1 in openSUSE Leap 42.2; and before 3.6.312.333-7.1 in openSUSE Leap 42.3 might allow remote attackers to bypass intended access restrictions on the portmap service by leveraging a missing source net restriction for rpc services.
parsetagx.c in w3m before 0.5.3+git20161009 does not properly initialize values, which allows remote attackers to crash the application via a crafted html file, related to a <i> tag.
The HTMLtagproc1 function in file.c in w3m before 0.5.3+git20161009 does not properly initialize values, which allows remote attackers to crash the application via a crafted html file, related to <dd> tags.
Cross-site scripting (XSS) vulnerability in the navpath function in lib/viewvc.py in ViewVC before 1.0.14 and 1.1.x before 1.1.26 allows remote attackers to inject arbitrary web script or HTML via the navdata name.