Vulnerability Details : CVE-2015-8921
The ae_strtofflags function in archive_entry.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted mtree file.
Vulnerability category: Denial of service
Products affected by CVE-2015-8921
- cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*
- cpe:2.3:o:novell:suse_linux_enterprise_desktop:12.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-8921
3.66%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-8921
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2015-8921
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-8921
-
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html
[security-announce] SUSE-SU-2016:1909-1: important: Security update forThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-1850.html
RHSA-2016:1850 - Security Advisory - Red Hat Customer Portal
-
http://www.debian.org/security/2016/dsa-3657
Debian -- Security Information -- DSA-3657-1 libarchive
-
http://rhn.redhat.com/errata/RHSA-2016-1844.html
RHSA-2016:1844 - Security Advisory - Red Hat Customer Portal
-
http://www.openwall.com/lists/oss-security/2016/06/17/2
oss-security - Many invalid memory access issues in libarchiveThird Party Advisory
-
https://security.gentoo.org/glsa/201701-03
libarchive: Multiple vulnerabilities (GLSA 201701-03) — Gentoo security
-
https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
Many invalid memory access issues in libarchive | The Fuzzing ProjectThird Party Advisory
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http://www.ubuntu.com/usn/USN-3033-1
USN-3033-1: libarchive vulnerabilities | Ubuntu security noticesThird Party Advisory
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https://github.com/libarchive/libarchive/issues/512
malformed mtree file causes invalid read access · Issue #512 · libarchive/libarchive · GitHub
-
http://www.openwall.com/lists/oss-security/2016/06/17/5
oss-security - Re: Many invalid memory access issues in libarchiveThird Party Advisory
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http://www.securityfocus.com/bid/91307
libarchive CVE-2015-8921 Invalid Memory Read Denial Of Service Vulnerability
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http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Oracle Linux Bulletin - July 2016
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