Buffer overflow in Hashcash
CVE-2006-3251
Heap-based buffer overflow in the array_push function in hashcash.c for Hashcash before 1.21 might allow attackers to execute arbitrary code via crafted entries.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.037 (89.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Hashcash — versions 1.00, 1.01, 1.02
Weakness classification (CWE)
References
- www.vupen.com/english/advisories/2006/2551 (vdb-entry, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/27422 (vdb-entry)
- secunia.com/advisories/20800 (Vendor Advisory, third-party-advisory)
- secunia.com/advisories/21146 (Vendor Advisory, third-party-advisory)
- www.gentoo.org/security/en/glsa/glsa-200606-25.xml (vendor-advisory)
- www.debian.org/security/2006/dsa-1114 (vendor-advisory)
- secunia.com/advisories/20846 (Vendor Advisory, third-party-advisory)
- www.hashcash.org/source/CHANGELOG
- www.securityfocus.com/bid/18659 (Patch, vdb-entry)