NULL pointer dereference in Libgit2 Project
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Libgit2 Project
- Fedoraproject Fedora — versions 23, 24, 25
- openSUSE Leap — versions 42.1, 42.2
- openSUSE — versions 13.2
- SUSE Linux Enterprise — versions 12.0
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.securityfocus.com/bid/93465 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2016/10/08/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
- github.com/libgit2/libgit2/issues/3937 (Patch, Third Party Advisory, Issue Tracking)
- github.com/libgit2/libgit2/releases/tag/v0.24.3 (Patch, Third Party Advisory, Issue Tracking)
- lists.opensuse.org/opensuse-updates/2016-12/msg00075.html (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2017-01/msg00114.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2017-01/msg00110.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-8569?
- CVE-2016-8569 is a medium-severity vulnerability in Libgit2 Project, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-02-03.
- How severe is CVE-2016-8569?
- Medium severity. CVSS v3 base score is 5.5 out of 10.