CVE-2013-2852
Format string vulnerability in the b43_request_firmware function in drivers/net/wireless/b43/main.c in the Broadcom B43 wireless driver in…
- 6.9MediumCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 36% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Format string vulnerability in the b43_request_firmware function in drivers/net/wireless/b43/main.c in the Broadcom B43 wireless driver in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and including format string specifiers in an fwpostfix modprobe parameter, leading to improper construction of an error message.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Linux Kernel 3.3.5 - 'b43' Wireless Driver Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 38559local, linuxpublished 7 Jun 2013Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By Chrome
- 57 days later
· 57 days later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
n/a
- affected n/a
References
18
- USN-1919-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/linville/wireless.git/commit/?id=9538cbaab6e8b8046039b4b2eb6c9d614dc782bd (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1899-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2013:1051 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2013:1473 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-1920-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1915-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-2766 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- openSUSE-SU-2013:1971 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- USN-1918-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1930-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1917-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1916-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2013:1450 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=969518 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20130606 Linux kernel format string flaws (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-1900-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-1914-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-2791 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-2852)Record last updated .