Buffer overflow in Quagga
CVE-2016-2342
The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in the VPNv4 NLRI parser in bgpd in Quagga before 1.0.20160309, when a certain VPNv4 configuration is used, relies on a Labeled-VPN SAFI routes-data length field during a data copy, which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted packet.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.121 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.121 · newest: 0.121 · change: 0.000
Affected products
- Quagga — versions 0.99.24
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/84318 (vdb-entry)
- rhn.redhat.com/errata/RHSA-2017-0794.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2016-03/msg00102.html (vendor-advisory)
- www.debian.org/security/2016/dsa-3532 (vendor-advisory)
- www.kb.cert.org/vuls/id/270232 (US Government Resource, Third Party Advisory, third-party-advisory)
- git.savannah.gnu.org/cgit/quagga.git/commit/
- security.gentoo.org/glsa/201610-03 (vendor-advisory)
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- lists.opensuse.org/opensuse-updates/2016-03/msg00117.html (vendor-advisory)
- nongnu.askapache.com//quagga/quagga-1.0.20160309.changelog.txt
Frequently asked questions
- What is CVE-2016-2342?
- CVE-2016-2342 is a high-severity vulnerability in Quagga, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2016-03-17.
- How severe is CVE-2016-2342?
- High severity. CVSS v3 base score is 8.1 out of 10.