Vulnerability CVE-2014-4502
Published: 2014-07-23

Description:
Multiple heap-based buffer overflows in the parse_notify function in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 4.1.0 allow remote pool servers to have unspecified impact via a (1) large or (2) negative value in the Extranonc2_size parameter in a mining.subscribe response and a crafted mining.notify request.

See advisories in our WLB2 database:
Topic
Author
Date
High
SGMiner / CGMiner / BFGMiner Heap Overflow
Mick Ayzenberg
23.07.2014

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Sgminer project -> Sgminer 
Bfgminer -> Bfgminer 

 References:
https://github.com/sgminer-dev/sgminer/commit/bac5831b355f916e0696b7bbcccfc51c057b729a
https://github.com/luke-jr/bfgminer/commit/ff7f30129f15f7a2213f8ced0cd65c9a331493d9
https://github.com/ckolivas/cgminer/commit/e1c5050734123973b99d181c45e74b2cbb00272e
https://github.com/sgminer-dev/sgminer/issues/258
http://www.securityfocus.com/bid/68831
http://seclists.org/fulldisclosure/2014/Jul/119
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