Security Bulletin
Summary
PowerKVM is affected by numerous vulnerabilities in libarchive. IBM has now addressed these vulnerabilities.
Vulnerability Details
CVEID: CVE-2015-8916
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by a NULL pointer dereference error in RAR parser. By persuading a victim to open a specially crafted RAR file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114250 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2015-8917
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by a NULL pointer dereference error in CAB parser. By persuading a victim to open a specially crafted CAB file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114251 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2015-8919
DESCRIPTION: libarchive is vulnerable to a heap-based buffer overflow, caused by an out of bounds read error in LHA/LZH parser. By persuading a victim to open a specially-crafted LHA/LZH file, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 5.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114253 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L)
CVEID: CVE-2015-8920
DESCRIPTION: libarchive could allow a remote authenticated attacker to obtain sensitive information, caused by an out of bounds read error in AR parser. By persuading a victim to open a specially-crafted AR file, a remote attacker could exploit this vulnerability to read a single byte of application memory.
CVSS Base Score: 3.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114254 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N)
CVEID: CVE-2015-8921
DESCRIPTION: libarchive could allow a remote authenticated attacker to obtain sensitive information, caused by an out of bounds read error in mtree parser. By persuading a victim to open a specially-crafted mtree file, a remote attacker could exploit this vulnerability to read beyond a statically declared structure.
CVSS Base Score: 3.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114255 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N)
CVEID: CVE-2015-8922
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by a NULL pointer dereference error. By persuading a victim to open a specially crafted 7Z file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114256 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2015-8928
DESCRIPTION: libarchive could allow a remote authenticated attacker to obtain sensitive information, caused by an out of bounds read error in process_add_entry() function. By persuading a victim to open a specially-crafted mtree file, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114262 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
CVEID: CVE-2015-8923
DESCRIPTION: libarchive could allow a remote attacker to obtain sensitive information, caused by an error in the ZIP parser. By persuading a victim to open a specially crafted ZIP file, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114257 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
CVEID: CVE-2015-8924
DESCRIPTION: libarchive could allow a remote attacker to obtain sensitive information, caused by an error in the TAR parser. By persuading a victim to open a specially crafted TAR file, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114258 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
CVEID: CVE-2015-8925
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by an invalid memory read in read_mtree function. By reading a specially-crafted mtree file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114259 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVEID: CVE-2015-8926
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by a NULL pointer access error in RAR parser. By persuading a victim to open a specially crafted RAR file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114260 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2015-8930
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by an error in ISO parser. By persuading a victim to open a specially crafted ISO file, a remote attacker could exploit this vulnerability to consume all available resources.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114265 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2015-8931
DESCRIPTION: libarchive could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in archive_read_support_format_mtree.c in mtree parser. By sending a specially-crafted mtree file, an attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114266 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2015-8932
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by an shiftleft error in compress_bidder_init in TAR parser. By persuading a victim to open a specially crafted TAR file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114267 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2016-1541
DESCRIPTION: libarchive is vulnerable to a heap-based buffer overflow. By persuading a victim to unzip a specially-crafted zip file, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/112828 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
CVEID: CVE-2016-4300
DESCRIPTION: libarchive could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the 7zip read_SubStreamsInfo. By sending a specially-crafted 7zip file, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114247 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2015-8934
DESCRIPTION: libarchive could allow a remote authenticated attacker to obtain sensitive information, caused by an out of bounds heap read error in RAR parser. By persuading a victim to open a specially-crafted RAR file, a remote attacker could exploit this vulnerability to read memory beyond the end of the decompression buffer.
CVSS Base Score: 3.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114270 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N)
CVEID: CVE-2016-6250
DESCRIPTION: libarchive could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the isoent_gen_joliet_identifier() function. By persuading a victim to open a specially crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/115376 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2016-4302
DESCRIPTION: libarchive could allow a remote attacker to execute arbitrary code on the system, caused by a heap overflow in the Rar RestartModel. By sending a specially-crafted Rar file, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114245 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2016-4809
DESCRIPTION: libarchive is vulnerable to a denial of service. By persuading a victim to open a specially crafted cpio archive containing a symbolic link, a remote authenticated attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116906 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2016-5418
DESCRIPTION: libarchive could allow a remote authenticated attacker to overwrite arbitrary files, caused by the improper handling of hardlink archive entries of non-zero size. An attacker could exploit this vulnerability to overwrite arbitrary files with arbitrary data from the archive.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116907 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2016-5844
DESCRIPTION: libarchive could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in choose_volume(). By persuading a victim to open a specially-crafted ISO file, an attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 6.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/114496 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
CVEID: CVE-2016-7166
DESCRIPTION: libarchive is vulnerable to a denial of service. By persuading a victim to open a specially crafted gzip file, a remote authenticated attacker could exploit this vulnerability to allocate memory without limit and cause the application to crash.
CVSS Base Score: 3.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/116908 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L)
Affected Products and Versions
PowerKVM 3.1 only
Remediation/Fixes
ustomers can update PowerKVM systems by using "yum update".
Fix images are made available via Fix Central. For version 3.1, see https://ibm.biz/BdHggw. This issue is addressed as of 3.1.0.2 update 3 or later.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
9 September 2016 - Initial Version
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
17 June 2018
UID
isg3T1024320