CVE-2011-2900
High PUBLISHEDStack-based buffer overflow in the (1) put_dir function in mongoose.c in Mongoose 3.0, (2) put_dir function in yasslEWS.c in yaSSL Embedded Web...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Stack-based buffer overflow in the (1) put_dir function in mongoose.c in Mongoose 3.0, (2) put_dir function in yasslEWS.c in yaSSL Embedded Web Server (yasslEWS) 0.2, and (3) _shttpd_put_dir function in io_dir.c in Simple HTTPD (shttpd) 1.42 allows remote attackers to execute arbitrary code via an HTTP PUT request, as exploited in the wild in 2011.
- CVE Published
- Aug 05, 2011
- Exploitation Reported
- Aug 05, 2011
- CVSS
- 7.5 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- FEDORA-2011-11823 lists.fedoraproject.org · Vendor Advisory http://lists.fedoraproject.org/pipermail/package-announce/2011-Septem...
- FEDORA-2011-11825 lists.fedoraproject.org · Vendor Advisory http://lists.fedoraproject.org/pipermail/package-announce/2011-Septem...
- FEDORA-2011-11636 lists.fedoraproject.org · Vendor Advisory http://lists.fedoraproject.org/pipermail/package-announce/2011-Septem...
- 45464 secunia.com · Third-Party Advisory http://secunia.com/advisories/45464
- 45902 secunia.com · Third-Party Advisory http://secunia.com/advisories/45902
Show 6 more references
- 8337 securityreason.com · Third-Party Advisory http://securityreason.com/securityalert/8337
- 48980 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/48980
- mongoose-put-bo(68991) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/68991
- [oss-security] 20110803 CVE id request: shttpd/mongoose/yassl embedded webserver openwall.com · Mailing List http://www.openwall.com/lists/oss-security/2011/08/03/5
- [oss-security] 20110803 Re: CVE id request: shttpd/mongoose/yassl embedded webserver openwall.com · Mailing List http://www.openwall.com/lists/oss-security/2011/08/03/9
- code.google.com/p/mongoose/source/detail code.google.com · CVE Record https://code.google.com/p/mongoose/source/detail?r=556f4de91eae4bac40...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2011-08-05 21:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
AV:N/AC:L/Au:N/C:P/I:P/A:P
Exploitation Status
Exploited in the wild
Recorded 2011-08-05 21:00:00 UTC · CVE
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
21:00 UTC almost 15 years ago21:00 UTC · almost 15 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
21:00 UTC almost 15 years ago21:00 UTC · almost 15 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 15 years ago00:00 UTC · almost 15 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2011-2900
{
"cve_id": "CVE-2011-2900",
"title": "Stack-based buffer overflow in the (1) put_dir function in mongoose.c in Mong...",
"affected_vendor": "Mongoose",
"affected_product": "Mongoose",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 7.5,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}