CVE-2012-3461
"off-the-record Libotr Base64 Heap Buffer Overflow"
Description
The (1) otrl_base64_otr_decode function in src/b64.c; (2) otrl_proto_data_read_flags and (3) otrl_proto_accept_data functions in src/proto.c; and (4) decode function in toolkit/parse.c in libotr before 3.2.1 allocates a zero-length buffer when decoding a base64 string, which allows remote attackers to cause a denial of service (application crash) via a message with the value "?OTR:===.", which triggers a heap-based buffer overflow.
INFO
Published Date :
Aug. 20, 2012, 7:55 p.m.
Last Modified :
April 11, 2025, 12:51 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.9
Exploitability Score :
8.6
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2012-3461.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2012-3461 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2012-3461 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684121 Added Reference http://lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001347.html Added Reference http://lists.cypherpunks.ca/pipermail/otr-dev/2012-July/001348.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00016.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00019.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00019.html Added Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=1902baee5d4b056850274ed0fa8c2409f1187435 Added Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=6d4ca89cf1d3c9a8aff696c3a846ac5a51f762c1 Added Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=b17232f86f8e60d0d22caf9a2400494d3c77da58 Added Reference http://www.debian.org/security/2012/dsa-2526 Added Reference http://www.mandriva.com/security/advisories?name=MDVSA-2012:131 Added Reference http://www.mandriva.com/security/advisories?name=MDVSA-2013:097 Added Reference http://www.securityfocus.com/bid/54907 Added Reference http://www.ubuntu.com/usn/USN-1541-1 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=846377 Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/77528 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Removed Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr;a=commitdiff;h=1902baee5d4b056850274ed0fa8c2409f1187435 [Exploit, Patch] Removed Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr;a=commitdiff;h=6d4ca89cf1d3c9a8aff696c3a846ac5a51f762c1 [Exploit, Patch] Removed Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr;a=commitdiff;h=b17232f86f8e60d0d22caf9a2400494d3c77da58 [Exploit, Patch] Added Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=1902baee5d4b056850274ed0fa8c2409f1187435 [No Types Assigned] Added Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=b17232f86f8e60d0d22caf9a2400494d3c77da58 [No Types Assigned] Added Reference http://otr.git.sourceforge.net/git/gitweb.cgi?p=otr/libotr%3Ba=commitdiff%3Bh=6d4ca89cf1d3c9a8aff696c3a846ac5a51f762c1 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 29, 2017
Action Type Old Value New Value Removed Reference http://xforce.iss.net/xforce/xfdb/77528 [No Types Assigned] Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/77528 [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 21, 2012
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2012-3461 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2012-3461
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
4.58 }} -0.91%
score
0.88197
percentile