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Unscored CVE-2020-27795 EUVD-2020-20297GHSA-r23c-h6ff-98mj

A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command "adf" has no or wrong argument, anal…

Published Aug 19, 2022 · Updated Aug 4, 2024 · Assigned by redhat

Description

A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command "adf" has no or wrong argument, anal_fcn_data (core, input + 1) --> RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).

Affected products

VendorProductAffectedFixed
— radare2 Fixed in v4.4.0. —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS radare2 No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS radare2 No fix yet —
Ubuntu Pro 18.04 LTS radare2 No fix yet —
ReleasePackageFixed inAdvisory
Alpine v3.24 radare2 4.4.0-r0 —
Alpine v3.23 radare2 4.4.0-r0 —
Alpine v3.22 radare2 4.4.0-r0 —
Alpine v3.21 radare2 4.4.0-r0 —
Alpine v3.20 radare2 4.4.0-r0 —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Alpine v3.19 radare2 4.4.0-r0 —
Alpine v3.18 radare2 4.4.0-r0 —

References