Improper input validation in Boa
CVE-2009-4496
Boa 0.94.14rc21 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.123 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% 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: 0.123 · change: +0.002
Affected products
- Boa — versions 0.94.14rc21
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/pipermail/package-announce/2010-May/041271.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2010-May/041274.html (vendor-advisory)
- secunia.com/advisories/39775 (third-party-advisory)
- www.securityfocus.com/bid/37718 (vdb-entry)
- www.ush.it/team/ush/hack_httpd_escape/adv.txt (Exploit)
- www.vupen.com/english/advisories/2010/1133 (vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2010-May/041285.html (vendor-advisory)
- www.securityfocus.com/archive/1/508830/100/0/threaded (mailing-list)
Frequently asked questions
- What is CVE-2009-4496?
- CVE-2009-4496 is a vulnerability in Boa, classified under Improper Input Validation. Published 2010-01-13.
- Is CVE-2009-4496 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.