Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2012-2674

Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign functions in libc/bionic/malloc_debug_leak.c in Bionic (libc) for Android, when libc.debug.malloc is set, make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.

Published

2012-07-25T19:55:02.820

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	google	bionic	-	Yes

References

http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/ ([email protected])
http://www.openwall.com/lists/oss-security/2012/06/05/1 ([email protected])
http://www.openwall.com/lists/oss-security/2012/06/07/13 ([email protected])
https://github.com/android/platform_bionic/commit/7f5aa4f35e23fd37425b3a5041737cdf58f87385 Exploit, Patch ([email protected])
http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/ (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/06/05/1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/06/07/13 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/android/platform_bionic/commit/7f5aa4f35e23fd37425b3a5041737cdf58f87385 Exploit, Patch (af854a3a-2127-422b-91ae-364da2661108)