RIPd in Quagga 0.98 and 0.99 before 20060503 does not properly enforce RIPv2 authentication requirements, which allows remote attackers to m
RIPd in Quagga 0.98 and 0.99 before 20060503 does not properly enforce RIPv2 authentication requirements, which allows remote attackers to modify routing state via RIPv1 RESPONSE packets.
- Published
- May 5, 2006
- Updated
- Jun 16, 2026
- EPSS
- 10.4% · 96th percentile
- CWE
- CWE-287
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Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 20 / 40 · 5.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 3 / 30 · 10.4%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| quagga | quagga routing software suite | cpe:2.3:a:quagga:quagga_routing_software_suite |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- quagga quagga routing software suiteup to 0.99.3 inclusive
- quagga quagga routing software suite0.95
- quagga quagga routing software suite0.96.2
- quagga quagga routing software suite0.96.3
- quagga quagga routing software suite0.98.5
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:10 | quagga | before 0.99.3-2 | 0.99.3-2 |
| Debian:3.1 | quagga | before 0.98.3-7.2 | 0.98.3-7.2 |
| Red Hat:enterprise_linux:3::as | quagga | before 0:0.96.2-11.3E | 0:0.96.2-11.3E |
| Red Hat:enterprise_linux:3::as | quagga-debuginfo | before 0:0.96.2-11.3E | 0:0.96.2-11.3E |
| Red Hat:enterprise_linux:4::as | quagga | before 0:0.98.3-2.4E | 0:0.98.3-2.4E |
| Red Hat:enterprise_linux:4::as | quagga-contrib | before 0:0.98.3-2.4E | 0:0.98.3-2.4E |
| Red Hat:enterprise_linux:4::as | quagga-debuginfo | before 0:0.98.3-2.4E | 0:0.98.3-2.4E |
| Red Hat:enterprise_linux:4::as | quagga-devel | before 0:0.98.3-2.4E | 0:0.98.3-2.4E |
Same product
quagga: all recordsOther highest-scoring records for the same primary product.
- CVE-2003-0858Zebra 0.93b and earlier, and quagga before 0.95, allows local users to cause a denial of service by sending spoofed messages as other users 8Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:quagga | 0.99.3-2 · Debian:10 | Package registry (OSV) |
| red hat:quagga | 0:0.96.2-11.3E · Red Hat:enterprise_linux:3::as | Package registry (OSV) |
| red hat:quagga-contrib | 0:0.98.3-2.4E · Red Hat:enterprise_linux:4::as | Package registry (OSV) |
| red hat:quagga-debuginfo | 0:0.96.2-11.3E · Red Hat:enterprise_linux:3::as | Package registry (OSV) |
| red hat:quagga-devel | 0:0.98.3-2.4E · Red Hat:enterprise_linux:4::as | Package registry (OSV) |
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | remote | 2006-05-03 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-3 d
- Published
- TodaySep 30, 2026+7453 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- P · data or configuration can be modified
- Availability
- none
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- P
- Availability impact
- None
Weakness class (CWE)
CWE-287 · Improper AuthenticationCVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
nvd-primary
Root cause
Authentication is added route by route instead of being enforced in one place. When a route added later bypasses the shared middleware, the session check never runs for it.
The bug in code
The whole CWE-287 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
app.use("/admin", requireSession, adminRouter);
// Route added later skips the middlewareapp.post("/admin-api/config", updateConfig);Fixed
const admin = express.Router();admin.use(requireSession, requireRole("admin"));
admin.post("/config", updateConfig);app.use("/admin", admin);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Authentication AbuseCAPEC-114Medium
- Authentication BypassCAPEC-115Medium
- Identity SpoofingCAPEC-151likelihood: Medium · Medium
- Fake the Source of DataCAPEC-194Medium
- Exploiting Trust in ClientCAPEC-22likelihood: High · High
- Utilizing REST's Trust in the System Resource to Obtain Sensitive DataCAPEC-57likelihood: Medium · Very High
- Session HijackingCAPEC-593likelihood: High · Very High
- Token ImpersonationCAPEC-633Medium
ATT&CK techniques
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- ftp://patches.sgi.com/support/free/security/advisories/20060602-01-U.asc
- bugzilla.quagga.net/show_bug.cgi?id=262
- secunia.com/advisories/19910
- secunia.com/advisories/20137
- secunia.com/advisories/20138
- secunia.com/advisories/20221
- secunia.com/advisories/20420
- secunia.com/advisories/20421
- secunia.com/advisories/20782
- secunia.com/advisories/21159
- securitytracker.com/id?1016204
- www.debian.org/security/2006/dsa-1059
- www.gentoo.org/security/en/glsa/glsa-200605-15.xml
- www.novell.com/linux/security/advisories/2006_17_sr.html
- www.osvdb.org/25225
- www.redhat.com/support/errata/RHSA-2006-0525.html
- www.redhat.com/support/errata/RHSA-2006-0533.html
- www.securityfocus.com/archive/1/432823/100/0/threaded
- www.securityfocus.com/archive/1/432856/100/0/threaded
- exchange.xforce.ibmcloud.com/vulnerabilities/26251
Vendor advisories and official records. Exploit/PoC links are deliberately left out.