The crypto.generateCRMFRequest function in Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, Thunderbi
The crypto.generateCRMFRequest function in Mozilla Firefox before 23.0, Firefox ESR 17.x before 17.0.8, Thunderbird before 17.0.8, Thunderbird ESR 17.x before 17.0.8, and SeaMonkey before 2.20 allows remote attackers to execute arbitrary JavaScript code or conduct cross-site scripting (XSS) attacks via vectors related to Certificate Request Message Format (CRMF) request generation.
- Published
- Aug 6, 2013
- Updated
- Jun 16, 2026
- EPSS
- 40.1% · 99th percentile
- CWE
- CWE-20
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Report tools
Action score
52
Plan
Add it to your regular patch cycle.
- CVSS
- 40 / 40 · 10.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 12 / 30 · 40.1%
Noroxi analysis
No Noroxi analysis for this record yet
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We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| mozilla | seamonkey | cpe:2.3:a:mozilla:seamonkey |
| mozilla | thunderbird esr | cpe:2.3:a:mozilla:thunderbird_esr |
| mozilla | firefox | cpe:2.3:a:mozilla:firefox |
| mozilla | thunderbird | cpe:2.3:a:mozilla:thunderbird |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- mozilla firefoxup to 22.0 inclusive
- mozilla firefox17.0
- mozilla firefox17.0.1
- mozilla firefox17.0.2
- mozilla firefox17.0.3
- mozilla firefox17.0.4
- mozilla firefox17.0.5
- mozilla firefox17.0.6
- mozilla firefox17.0.7
- mozilla firefox19.0
- mozilla firefox19.0.1
- mozilla firefox19.0.2
- mozilla firefox20.0
- mozilla firefox20.0.1
- mozilla firefox21.0
- mozilla seamonkeyup to 2.20 inclusive
- mozilla seamonkey2.0
- mozilla seamonkey2.0.1
- mozilla seamonkey2.0.10
- mozilla seamonkey2.0.11
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:7 | icedove | before 17.0.8-1~deb7u1 | 17.0.8-1~deb7u1 |
| Debian:7 | iceweasel | before 17.0.8esr-1~deb7u1 | 17.0.8esr-1~deb7u1 |
| Red Hat:enterprise_linux:5::server | firefox | before 0:17.0.8-1.el5_9 | 0:17.0.8-1.el5_9 |
| Red Hat:enterprise_linux:5::server | firefox-debuginfo | before 0:17.0.8-1.el5_9 | 0:17.0.8-1.el5_9 |
| Red Hat:enterprise_linux:5::server | xulrunner | before 0:17.0.8-3.el5_9 | 0:17.0.8-3.el5_9 |
| Red Hat:enterprise_linux:5::server | xulrunner-debuginfo | before 0:17.0.8-3.el5_9 | 0:17.0.8-3.el5_9 |
| Red Hat:enterprise_linux:5::server | xulrunner-devel | before 0:17.0.8-3.el5_9 | 0:17.0.8-3.el5_9 |
| Red Hat:enterprise_linux:6::client | firefox | before 0:17.0.8-1.el6_4 | 0:17.0.8-1.el6_4 |
| Red Hat:enterprise_linux:6::client | firefox-debuginfo | before 0:17.0.8-1.el6_4 | 0:17.0.8-1.el6_4 |
| Red Hat:enterprise_linux:6::client | thunderbird | before 0:17.0.8-5.el6_4 | 0:17.0.8-5.el6_4 |
| Red Hat:enterprise_linux:6::client | thunderbird-debuginfo | before 0:17.0.8-5.el6_4 | 0:17.0.8-5.el6_4 |
| Red Hat:enterprise_linux:6::client | xulrunner | before 0:17.0.8-3.el6_4 | 0:17.0.8-3.el6_4 |
| Red Hat:enterprise_linux:6::client | xulrunner-debuginfo | before 0:17.0.8-3.el6_4 | 0:17.0.8-3.el6_4 |
| Red Hat:enterprise_linux:6::client | xulrunner-devel | before 0:17.0.8-3.el6_4 | 0:17.0.8-3.el6_4 |
| Red Hat:rhel_productivity:5 | thunderbird | before 0:17.0.8-5.el5_9 | 0:17.0.8-5.el5_9 |
| Red Hat:rhel_productivity:5 | thunderbird-debuginfo | before 0:17.0.8-5.el5_9 | 0:17.0.8-5.el5_9 |
Same product
mozilla: all recordsOther highest-scoring records for the same primary product.
- CVE-2011-2371Integer overflow in the Array.reduceRight method in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, Thunderbird before 3.1.11, and SeaM63This week
- CVE-2013-5601Use-after-free vulnerability in the nsEventListenerManager::SetEventHandler function in Mozilla Firefox before 25.0, Firefox ESR 17.x before42Plan
- CVE-2013-5590Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 242Plan
- CVE-2013-1736The nsGfxScrollFrameInner::IsLTR function in Mozilla Firefox before 24.0, Firefox ESR 17.x before 17.0.9, Thunderbird before 24.0, Thunderbi42Plan
- CVE-2013-1702Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 23.0 and SeaMonkey before 2.20 allow remote attackers t42Plan
- CVE-2011-2363Use-after-free vulnerability in the nsSVGPointList::AppendElement function in the implementation of SVG element lists in Mozilla Firefox bef42Plan
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:icedove | 17.0.8-1~deb7u1 · Debian:7 | Package registry (OSV) |
| debian:iceweasel | 17.0.8esr-1~deb7u1 · Debian:7 | Package registry (OSV) |
| red hat:firefox | 0:17.0.8-1.el5_9 · Red Hat:enterprise_linux:5::server | Package registry (OSV) |
| red hat:firefox-debuginfo | 0:17.0.8-1.el5_9 · Red Hat:enterprise_linux:5::server | Package registry (OSV) |
| red hat:thunderbird | 0:17.0.8-5.el5_9 · Red Hat:rhel_productivity:5 | Package registry (OSV) |
| red hat:thunderbird-debuginfo | 0:17.0.8-5.el5_9 · Red Hat:rhel_productivity:5 | Package registry (OSV) |
| red hat:xulrunner | 0:17.0.8-3.el5_9 · Red Hat:enterprise_linux:5::server | Package registry (OSV) |
| red hat:xulrunner-debuginfo | 0:17.0.8-3.el5_9 · Red Hat:enterprise_linux:5::server | Package registry (OSV) |
| red hat:xulrunner-devel | 0:17.0.8-3.el5_9 · Red Hat:enterprise_linux:5::server | Package registry (OSV) |
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×2
- 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 | local | 2013-08-06 |
| Metasploit module | exploit/multi/browser/firefox_proto_crmfrequestFirefox 5.0 - 15.0.1 __exposedProps__ XCS Code Executionexploit | 2013-08-06 |
| Metasploit module | exploit/multi/browser/firefox_tostring_console_injectionFirefox toString console.time Privileged Javascript Injectionexploit | 2013-05-14 |
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.
- Metasploit-85 d
- First PoC-1 d
- Published
- TodayOct 7, 2026+4809 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
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-20 · Improper Input ValidationCVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
nvd-primary
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)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Server Side Include (SSI) InjectionCAPEC-101likelihood: High · High
- Cross Zone ScriptingCAPEC-104likelihood: Medium · High
- Command Line Execution through SQL InjectionCAPEC-108likelihood: Low · Very High
- Object Relational Mapping InjectionCAPEC-109likelihood: Low · High
- SQL Injection through SOAP Parameter TamperingCAPEC-110likelihood: High · Very High
- Double EncodingCAPEC-120likelihood: Low · Medium
- Subverting Environment Variable ValuesCAPEC-13likelihood: High · Very High
ATT&CK techniques
- Obfuscated Files or InformationT1027
- Masquerading: Invalid Code SignatureT1036.001
- Steal Web Session CookieT1539
- Subvert Trust Controls: Code SigningT1553.002
- Impair Defenses:Impair Command History LoggingT1562.003
- Hijack Execution Flow:Dynamic Linker HijackingT1574.006
- Hijack Execution Flow:Path Interception by PATH Environment VariableT1574.007
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- www.debian.org/security/2013/dsa-2735
- www.debian.org/security/2013/dsa-2746
- www.mozilla.org/security/announce/2013/mfsa2013-69.html
- www.securityfocus.com/bid/61900
- bugzilla.mozilla.org/show_bug.cgi?id=871368
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18773
Vendor advisories and official records. Exploit/PoC links are deliberately left out.