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Bug 688836 (CVE-2019-12972) - <sys-devel/binutils-2.32: heap-based buffer over-read in _bfd_doprnt in bfd.c (CVE-2019-12972)
Summary: <sys-devel/binutils-2.32: heap-based buffer over-read in _bfd_doprnt in bfd.c...
Alias: CVE-2019-12972
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Security
Whiteboard: A3 [glsa+ masked cve]
Depends on:
Reported: 2019-06-27 17:23 UTC by D'juan McDonald (domhnall)
Modified: 2020-07-27 01:21 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


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Description D'juan McDonald (domhnall) 2019-06-27 17:23:49 UTC

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.32. There is a heap-based buffer over-read in _bfd_doprnt in bfd.c because elf_object_p in elfcode.h mishandles an e_shstrndx section of type SHT_GROUP by omitting a trailing '\0' character.

fixed on Master via, commit:890f750a3b053532a4b839a2dd6243076de12031, milestone for 2.33 release.

Gentoo Security Padawan
Comment 1 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2020-06-20 01:29:57 UTC
Fixed in 2.32, which is masked, and the standard for toolchain packages.
Comment 3 GLSAMaker/CVETool Bot gentoo-dev 2020-07-27 00:51:25 UTC
This issue was resolved and addressed in
 GLSA 202007-39 at
by GLSA coordinator Sam James (sam_c).