Bug 2031177 (CVE-2021-37322) - CVE-2021-37322 binutils: use-after-free in c++filt in cplus-dem.c
Summary: CVE-2021-37322 binutils: use-after-free in c++filt in cplus-dem.c
Keywords:
Status: NEW
Alias: CVE-2021-37322
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
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Depends On: 2033453
Blocks: 2031178
TreeView+ depends on / blocked
 
Reported: 2021-12-10 17:22 UTC by Guilherme de Almeida Suckevicz
Modified: 2024-03-29 03:35 UTC (History)
24 users (show)

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A use-after-free flaw was found in binutils’ cxxfilt functionality. The attack needs to be initiated locally where an attacker could convince a victim to read a specially crafted file which is processed by cxxfilt, leading to disclosure of memory and possibly leading to the execution of arbitrary code or causing the utility to crash.
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Description Guilherme de Almeida Suckevicz 2021-12-10 17:22:06 UTC 
GCC c++filt v2.26 was discovered to contain a use-after-free vulnerability via the component cplus-dem.c.

Reference:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99188
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