CVE-2015-8920

Home/CVE/The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to c

CVE

The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to c

The _ar_read_header function in archive_read_support_format_ar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds stack read) via a crafted ar file.

MEDIUM · CVSS 5.5 EPSS 0.00557

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-125Out-of-bounds Read

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Affected Products & Versions

novell suse linux enterprise software development kitall versions
novell suse linux enterprise desktopall versions
novell suse linux enterprise serverall versions
canonical ubuntu linuxall versions
libarchive<= 3.1.901a

▣

Scoring & Timeline

5.5

MEDIUM · CVSS v3.0 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD20 Sep 2016 · 02:15 PM

CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

⚑

Vendor Advisories

rhsaRHSA-2016:1850Important
rhsaRHSA-2016:1844Important
suse-csafSUSE-SU-2016:1939-1
suse-csafSUSE-SU-2016:1909-1
usnUSN-3033-1

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2016-1844.html

http://rhn.redhat.com/errata/RHSA-2016-1850.html

http://www.debian.org/security/2016/dsa-3657

http://www.openwall.com/lists/oss-security/2016/06/17/2Third Party Advisory

http://www.openwall.com/lists/oss-security/2016/06/17/5Third Party Advisory

Show all 12 references

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

http://www.securityfocus.com/bid/91301

http://www.ubuntu.com/usn/USN-3033-1Third Party Advisory

https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.htmlThird Party Advisory

https://github.com/libarchive/libarchive/issues/511

https://security.gentoo.org/glsa/201701-03

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