Security Vulnerabilities - CVEs Published In November 2017
The Linux Kernel versions 2.6.38 through 4.14 have a problematic use of pmd_mkdirty() in the touch_pmd() function inside the THP implementation. touch_pmd() can be reached by get_user_pages(). In such case, the pmd will become dirty. This scenario breaks the new can_follow_write_pmd()'s logic - pmd can become dirty without going through a COW cycle. This bug is not as severe as the original "Dirty cow" because an ext4 file (or any other regular file) cannot be mapped using THP. Nevertheless, it does allow us to overwrite read-only huge pages. For example, the zero huge page and sealed shmem files can be overwritten (since their mapping can be populated using THP). Note that after the first write page-fault to the zero page, it will be replaced with a new fresh (and zeroed) thp.
CVSS Score
7.0
EPSS Score
0.021
Published
2017-11-30
OpenDaylight Karaf 0.6.1-Carbon fails to clear the cache after a password change, allowing the old password to be used until the Karaf cache is manually cleared (e.g. via restart).
CVSS Score
7.5
EPSS Score
0.002
Published
2017-11-30
elf.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29.1, does not validate sizes of core notes, which allows remote attackers to cause a denial of service (bfd_getl32 heap-based buffer over-read and application crash) via a crafted object file, related to elfcore_grok_netbsd_procinfo, elfcore_grok_openbsd_procinfo, and elfcore_grok_nto_status.
CVSS Score
5.5
EPSS Score
0.001
Published
2017-11-30
The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.
CVSS Score
6.5
EPSS Score
0.005
Published
2017-11-30
A vulnerability was identified in Lenovo XClarity Administrator (LXCA) before 1.4.0 where LXCA user account names may be exposed to unauthenticated users with access to the LXCA web user interface. No password information of the user accounts is exposed.
CVSS Score
5.3
EPSS Score
0.007
Published
2017-11-30
Restlet Framework before 2.3.11, when using SimpleXMLProvider, allows remote attackers to access arbitrary files via an XXE attack in a REST API HTTP request. This affects use of the Jax-rs extension.
CVSS Score
7.5
EPSS Score
0.004
Published
2017-11-30
Restlet Framework before 2.3.12 allows remote attackers to access arbitrary files via a crafted REST API HTTP request that conducts an XXE attack, because only general external entities (not parameter external entities) are properly considered. This is related to XmlRepresentation, DOMRepresentation, SaxRepresentation, and JacksonRepresentation.
CVSS Score
7.5
EPSS Score
0.005
Published
2017-11-30
The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference).
CVSS Score
5.5
EPSS Score
0.0
Published
2017-11-30
An issue was discovered on D-Link DIR-605L Model B before FW2.11betaB06_hbrf devices, related to the code that handles the authentication values for HNAP. An attacker can cause a denial of service (device crash) or possibly have unspecified other impact by sending a sufficiently long string in the password field of the HTTP Basic Authentication section of the HTTP request.
CVSS Score
7.5
EPSS Score
0.003
Published
2017-11-30
Apache CXF Fediz ships with a number of container-specific plugins to enable WS-Federation for applications. A CSRF (Cross Style Request Forgery) style vulnerability has been found in the Spring 2, Spring 3 and Spring 4 plugins in versions before 1.4.3 and 1.3.3. The vulnerability can result in a security context that is set up using a malicious client's roles for the given enduser.
CVSS Score
8.8
EPSS Score
0.014
Published
2017-11-30
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