Vulnerability Details : CVE-2012-2944
Buffer overflow in the addchar function in common/parseconf.c in upsd in Network UPS Tools (NUT) before 2.6.4 allows remote attackers to execute arbitrary code or cause a denial of service (electric-power outage) via a long string containing non-printable characters.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2012-2944
- cpe:2.3:a:networkupstools:nut:*:*:*:*:*:*:*:*
- cpe:2.3:a:networkupstools:nut:2.6.0-1:*:*:*:*:*:*:*
- cpe:2.3:a:networkupstools:nut:2.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:networkupstools:nut:2.6.1-1:*:*:*:*:*:*:*
- cpe:2.3:a:networkupstools:nut:2.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:networkupstools:nut:2.6.0:pre1:*:*:*:*:*:*
- cpe:2.3:a:networkupstools:nut:2.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:networkupstools:nut:2.6.3-1:*:*:*:*:*:*:*
- cpe:2.3:a:networkupstools:nut:2.4.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-2944
8.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-2944
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
CWE ids for CVE-2012-2944
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-2944
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https://hermes.opensuse.org/messages/15514634
openSUSE.org - 503
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http://networkupstools.org/docs/user-manual.chunked/apis01.html
I.1. Changes from 2.7.3 to 2.7.4
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http://www.mandriva.com/security/advisories?name=MDVSA-2012:087
mandriva.com
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http://alioth.debian.org/tracker/?func=detail&aid=313636
Exploit
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http://trac.networkupstools.org/projects/nut/changeset/3633
Fix CVE-2012-2944: upsd can be remotely crashed · networkupstools/nut@2d6b472 · GitHub
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http://www.securityfocus.com/bid/53743
Network UPS Tools (NUT) 'addchar()' Function Buffer Overflow Vulnerability
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http://www.debian.org/security/2012/dsa-2484
Debian -- Security Information -- DSA-2484-1 nut
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https://exchange.xforce.ibmcloud.com/vulnerabilities/75980
Network UPS Tools addchar() buffer overflow CVE-2012-2944 Vulnerability Report
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