Vulnerability Details : CVE-2018-1000879
libarchive version commit 379867ecb330b3a952fb7bfa7bffb7bbd5547205 onwards (release v3.3.0 onwards) contains a CWE-476: NULL Pointer Dereference vulnerability in ACL parser - libarchive/archive_acl.c, archive_acl_from_text_l() that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted archive file.
Vulnerability category: Memory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-1000879
Probability of exploitation activity in the next 30 days: 0.69%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 78 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-1000879
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-1000879
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A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-1000879
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http://www.securityfocus.com/bid/106324
Libarchive Multiple Denial Of Service VulnerabilitiesThird Party Advisory;VDB Entry
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/
[SECURITY] Fedora 30 Update: libarchive-3.3.3-6.fc30 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://github.com/libarchive/libarchive/pull/1105/commits/15bf44fd2c1ad0e3fd87048b3fcc90c4dcff1175
Fix various crash, memory corruption and infinite loop conditions by daxtens · Pull Request #1105 · libarchive/libarchive · GitHubPatch;Third Party Advisory
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https://github.com/libarchive/libarchive/pull/1105
Fix various crash, memory corruption and infinite loop conditions by daxtens · Pull Request #1105 · libarchive/libarchive · GitHubThird Party Advisory
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https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
Bug #1794909 “Memory corruption in RAR decoder” : Bugs : libarchive package : UbuntuPatch;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/
[SECURITY] Fedora 28 Update: libarchive-3.3.3-6.fc28 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/
[SECURITY] Fedora 29 Update: libarchive-3.3.3-6.fc29 - package-announce - Fedora Mailing-ListsMailing List;Release Notes;Third Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html
[security-announce] openSUSE-SU-2019:1196-1: moderate: Security update fMailing List;Third Party Advisory
Products affected by CVE-2018-1000879
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
- cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*