Buffer overflow in Apache Subversion
CVE-2015-5343
Integer overflow in util.c in mod_dav_svn in Apache Subversion 1.7.x, 1.8.x before 1.8.15, and 1.9.x before 1.9.3 allows remote authenticated users to cause a denial of service (subversion server crash or memory consumption) and possibly execute arbitrary code via a skel-encoded request body, which triggers an out-of-bounds read and heap-based buffer overflow.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.302 (98.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.094 · newest: 0.302 · change: +0.208
Affected products
- Apache Subversion
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2015/dsa-3424 (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1034470 (VDB Entry, Third Party Advisory, vdb-entry)
- www.slackware.com/security/viewer.php (vendor-advisory, Third Party Advisory)
- subversion.apache.org/security/CVE-2015-5343-advisory.txt (Vendor Advisory)
Frequently asked questions
- What is CVE-2015-5343?
- CVE-2015-5343 is a high-severity vulnerability in Apache Subversion, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.6/10. Published 2016-04-14.
- How severe is CVE-2015-5343?
- High severity. CVSS v3 base score is 7.6 out of 10.
- Is CVE-2015-5343 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.