Vulnerability Details : CVE-2016-8569
The git_oid_nfmt function in commit.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a cat-file command with a crafted object file.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2016-8569
- cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
- cpe:2.3:a:libgit2_project:libgit2:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-8569
0.70%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-8569
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-8569
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-8569
-
http://lists.opensuse.org/opensuse-updates/2017-01/msg00110.html
openSUSE-SU-2017:0195-1: moderate: Security update for libgit2Third Party Advisory
-
http://lists.opensuse.org/opensuse-updates/2017-01/msg00114.html
openSUSE-SU-2017:0208-1: moderate: Security update for libgit2Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/10/08/7
oss-security - Re: CVE request: invalid memory accesses parsing object files in libgit2Mailing List;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/93465
libgit2 CVE-2016-8569 Null Pointer Dereference Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://bugzilla.redhat.com/show_bug.cgi?id=1383211
1383211 – (CVE-2016-8568, CVE-2016-8569) CVE-2016-8568 CVE-2016-8569 libgit2: Invalid memory accesses parsing object filesIssue Tracking
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X3JBSNJAXP7JA3TGE2NPNRTD77JXFG4E/
[SECURITY] Fedora 23 Update: libgit2-0.23.4-2.fc23 - package-announce - Fedora Mailing-ListsPatch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-updates/2017-01/msg00103.html
openSUSE-SU-2017:0184-1: moderate: Security update for libgit2Third Party Advisory
-
http://lists.opensuse.org/opensuse-updates/2016-12/msg00075.html
openSUSE-SU-2016:3097-1: moderate: Security update for libgit2Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4E77DG5KGQ7L34U75QY7O6NIPKZNQHQJ/
[SECURITY] Fedora 24 Update: libgit2-0.24.2-2.fc24 - package-announce - Fedora Mailing-ListsPatch;Third Party Advisory
-
https://github.com/libgit2/libgit2/releases/tag/v0.24.3
Release libgit2 v0.24.3 Maintenance Release · libgit2/libgit2 · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://github.com/libgit2/libgit2/issues/3937
DoS using a null pointer derreference in git_commit_message · Issue #3937 · libgit2/libgit2 · GitHubIssue Tracking;Patch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XVUEIG6EESZB6BRU2IE3F5NRUEHMAEKC/
[SECURITY] Fedora 25 Update: libgit2-0.24.2-2.fc25 - package-announce - Fedora Mailing-ListsPatch;Third Party Advisory
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