CVE-2015-8923

Home/CVE/The process_extra function in libarchive before 3.2.0 uses the size field and a signed number in an offset, which allows

CVE

The process_extra function in libarchive before 3.2.0 uses the size field and a signed number in an offset, which allows

The process_extra function in libarchive before 3.2.0 uses the size field and a signed number in an offset, which allows remote attackers to cause a denial of service (crash) via a crafted zip file.

MEDIUM · CVSS 6.5 EPSS 0.02215

Monitor

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

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-20Improper Input Validation

▤

Affected Products & Versions

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

▣

Scoring & Timeline

6.5

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:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

⚑

Vendor Advisories

rhsaRHSA-2016:1844Important
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://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

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

Show all 11 references

http://www.securityfocus.com/bid/91309

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/514

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

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